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1307011272 = 233717736269
BaseRepresentation
bin100110111100111…
…0110100011001000
310101002101001101220
41031321312203020
510134043330042
6333405442040
744250261330
oct11571664310
93332331356
101307011272
11610856a06
12305870320
1317aa21368
14c58280c0
1579b278ec
hex4de768c8

1307011272 has 128 divisors (see below), whose sum is σ = 4008787200. Its totient is φ = 346595328.

The previous prime is 1307011259. The next prime is 1307011291. The reversal of 1307011272 is 2721107031.

1307011272 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205354 + ... + 211622.

It is an arithmetic number, because the mean of its divisors is an integer number (31318650).

Almost surely, 21307011272 is an apocalyptic number.

1307011272 is a gapful number since it is divisible by the number (12) 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 1307011272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2004393600).

1307011272 is an abundant number, since it is smaller than the sum of its proper divisors (2701775928).

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

1307011272 is a wasteful number, since it uses less digits than its factorization.

1307011272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6375 (or 6371 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 1307011272 is about 36152.6108600748. The cubic root of 1307011272 is about 1093.3514309748.

It can be divided in two parts, 13070 and 11272, that added together give a palindrome (24342).

The spelling of 1307011272 in words is "one billion, three hundred seven million, eleven thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 17 21 24 28 34 42 51 56 68 73 84 102 119 136 146 168 204 219 238 292 357 408 438 476 511 584 714 876 952 1022 1241 1428 1533 1752 2044 2482 2856 3066 3723 4088 4964 6132 6269 7446 8687 9928 12264 12538 14892 17374 18807 25076 26061 29784 34748 37614 43883 50152 52122 69496 75228 87766 104244 106573 131649 150456 175532 208488 213146 263298 319719 351064 426292 457637 526596 639438 746011 852584 915274 1053192 1278876 1372911 1492022 1830548 2238033 2557752 2745822 2984044 3203459 3661096 4476066 5491644 5968088 6406918 7779829 8952132 9610377 10983288 12813836 15559658 17904264 19220754 23339487 25627672 31119316 38441508 46678974 54458803 62238632 76883016 93357948 108917606 163376409 186715896 217835212 326752818 435670424 653505636 1307011272