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1310241040 = 2453137109131
BaseRepresentation
bin100111000011000…
…1011000100010000
310101022110010210221
41032012023010100
510140410203130
6334003002424
744316602503
oct11606130420
93338403727
101310241040
11612662539
12306969414
1317b5b2474
14c602913a
157a06487a
hex4e18b110

1310241040 has 160 divisors (see below), whose sum is σ = 3284075520. Its totient is φ = 485222400.

The previous prime is 1310241019. The next prime is 1310241047. The reversal of 1310241040 is 401420131.

It is a super-3 number, since 3×13102410403 (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1310241047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10001775 + ... + 10001905.

It is an arithmetic number, because the mean of its divisors is an integer number (20525472).

Almost surely, 21310241040 is an apocalyptic number.

1310241040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310241040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1642037760).

1310241040 is an abundant number, since it is smaller than the sum of its proper divisors (1973834480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310241040 is a wasteful number, since it uses less digits than its factorization.

1310241040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1310241040 is about 36197.2518293862. The cubic root of 1310241040 is about 1094.2512872110.

Adding to 1310241040 its reverse (401420131), we get a palindrome (1711661171).

The spelling of 1310241040 in words is "one billion, three hundred ten million, two hundred forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 31 37 40 62 74 80 109 124 131 148 155 185 218 248 262 296 310 370 436 496 524 545 592 620 655 740 872 1048 1090 1147 1240 1310 1480 1744 2096 2180 2294 2480 2620 2960 3379 4033 4061 4360 4588 4847 5240 5735 6758 8066 8122 8720 9176 9694 10480 11470 13516 14279 16132 16244 16895 18352 19388 20165 20305 22940 24235 27032 28558 32264 32488 33790 38776 40330 40610 45880 48470 54064 57116 64528 64976 67580 71395 77552 80660 81220 91760 96940 114232 125023 135160 142790 150257 161320 162440 193880 228464 250046 270320 285580 300514 322640 324880 387760 442649 500092 528323 571160 601028 625115 751285 885298 1000184 1056646 1142320 1202056 1250230 1502570 1770596 2000368 2113292 2213245 2404112 2500460 2641615 3005140 3541192 4226584 4426490 5000920 5283230 6010280 7082384 8453168 8852980 10001840 10566460 12020560 16378013 17705960 21132920 32756026 35411920 42265840 65512052 81890065 131024104 163780130 262048208 327560260 655120520 1310241040