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12275771370 = 23519233492683
BaseRepresentation
bin10110110111011000…
…10110011111101010
31011200112000210112220
423123230112133222
5200120044140440
65350040214510
7613130222622
oct133354263752
934615023486
1012275771370
11522a3977a5
12246716a436
13120832b555
148464c5882
154bca958d0
hex2dbb167ea

12275771370 has 128 divisors (see below), whose sum is σ = 32465664000. Its totient is φ = 2956808448.

The previous prime is 12275771363. The next prime is 12275771377. The reversal of 12275771370 is 7317757221.

It is an interprime number because it is at equal distance from previous prime (12275771363) and next prime (12275771377).

It is not an unprimeable number, because it can be changed into a prime (12275771377) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4574049 + ... + 4576731.

It is an arithmetic number, because the mean of its divisors is an integer number (253638000).

Almost surely, 212275771370 is an apocalyptic number.

12275771370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12275771370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16232832000).

12275771370 is an abundant number, since it is smaller than the sum of its proper divisors (20189892630).

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

12275771370 is a wasteful number, since it uses less digits than its factorization.

12275771370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084.

The product of its (nonzero) digits is 144060, while the sum is 42.

The spelling of 12275771370 in words is "twelve billion, two hundred seventy-five million, seven hundred seventy-one thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 19 23 30 38 46 57 69 95 114 115 138 190 230 285 345 349 437 570 690 698 874 1047 1311 1745 2094 2185 2622 2683 3490 4370 5235 5366 6555 6631 8027 8049 10470 13110 13262 13415 16054 16098 19893 24081 26830 33155 39786 40135 40245 48162 50977 61709 66310 80270 80490 99465 101954 120405 123418 152513 152931 185127 198930 240810 254885 305026 305862 308545 370254 457539 509770 617090 762565 764655 915078 925635 936367 1172471 1525130 1529310 1851270 1872734 2287695 2344942 2809101 3517413 4575390 4681835 5618202 5862355 7034826 9363670 11724710 14045505 17587065 17790973 21536441 28091010 35174130 35581946 43072882 53372919 64609323 88954865 106745838 107682205 129218646 177909730 215364410 266864595 323046615 409192379 533729190 646093230 818384758 1227577137 2045961895 2455154274 4091923790 6137885685 12275771370