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31424001792 = 28370158369
BaseRepresentation
bin11101010001000001…
…000011011100000000
310000002222210200121020
4131101001003130000
51003324021024132
622234101225440
72161500415401
oct352101033400
9100088720536
1031424001792
1112366036717
12610ba02280
132c6a3c8601
1417416079a8
15c3db6052c
hex751043700

31424001792 has 72 divisors (see below), whose sum is σ = 83754412560. Its totient is φ = 10459545600.

The previous prime is 31424001769. The next prime is 31424001797. The reversal of 31424001792 is 29710042413.

It is a super-2 number, since 2×314240017922 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31424001797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509184 + ... + 567552.

It is an arithmetic number, because the mean of its divisors is an integer number (1163255730).

Almost surely, 231424001792 is an apocalyptic number.

31424001792 is a gapful number since it is divisible by the number (32) 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 31424001792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41877206280).

31424001792 is an abundant number, since it is smaller than the sum of its proper divisors (52330410768).

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

31424001792 is an equidigital number, since it uses as much as digits as its factorization.

31424001792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59089 (or 59075 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 31424001792 in words is "thirty-one billion, four hundred twenty-four million, one thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 701 768 1402 2103 2804 4206 5608 8412 11216 16824 22432 33648 44864 58369 67296 89728 116738 134592 175107 179456 233476 269184 350214 466952 538368 700428 933904 1400856 1867808 2801712 3735616 5603424 7471232 11206848 14942464 22413696 40916669 44827392 81833338 122750007 163666676 245500014 327333352 491000028 654666704 982000056 1309333408 1964000112 2618666816 3928000224 5237333632 7856000448 10474667264 15712000896 31424001792