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1310213000 = 23535359419
BaseRepresentation
bin100111000011000…
…0100001110001000
310101022101201100102
41032012010032020
510140403304000
6334002224532
744316424655
oct11606041610
93338351312
101310213000
11612643468
12306955148
1317b5a2785
14c601cc2c
157a05b3d5
hex4e184388

1310213000 has 128 divisors (see below), whose sum is σ = 3184272000. Its totient is φ = 504275200.

The previous prime is 1310212999. The next prime is 1310213087. The reversal of 1310213000 is 3120131.

It is an unprimeable number.

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, 3126791 + ... + 3127209.

It is an arithmetic number, because the mean of its divisors is an integer number (24877125).

Almost surely, 21310213000 is an apocalyptic number.

1310213000 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 1310213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592136000).

1310213000 is an abundant number, since it is smaller than the sum of its proper divisors (1874059000).

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

1310213000 is a wasteful number, since it uses less digits than its factorization.

1310213000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1310213000 is about 36196.8645050922. The cubic root of 1310213000 is about 1094.2434812618.

Adding to 1310213000 its reverse (3120131), we get a palindrome (1313333131).

The spelling of 1310213000 in words is "one billion, three hundred ten million, two hundred thirteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 53 59 100 106 118 125 200 212 236 250 265 295 419 424 472 500 530 590 838 1000 1060 1180 1325 1475 1676 2095 2120 2360 2650 2950 3127 3352 4190 5300 5900 6254 6625 7375 8380 10475 10600 11800 12508 13250 14750 15635 16760 20950 22207 24721 25016 26500 29500 31270 41900 44414 49442 52375 53000 59000 62540 78175 83800 88828 98884 104750 111035 123605 125080 156350 177656 197768 209500 222070 247210 312700 390875 419000 444140 494420 555175 618025 625400 781750 888280 988840 1110350 1236050 1310213 1563500 2220700 2472100 2620426 2775875 3090125 3127000 4441400 4944200 5240852 5551750 6180250 6551065 10481704 11103500 12360500 13102130 22207000 24721000 26204260 32755325 52408520 65510650 131021300 163776625 262042600 327553250 655106500 1310213000