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112642640264 = 237112335571409
BaseRepresentation
bin110100011101000000…
…1100100100110001000
3101202202021000000022102
41220322001210212020
53321143003442024
6123425230412532
711065250434010
oct1507201444610
9352667000272
10112642640264
1143853919930
12199b7961148
13a811b4c37b
145648164c40
152de40ec1ae
hex1a3a064988

112642640264 has 128 divisors (see below), whose sum is σ = 265113388800. Its totient is φ = 43588976640.

The previous prime is 112642640251. The next prime is 112642640269. The reversal of 112642640264 is 462046246211.

It is not an unprimeable number, because it can be changed into a prime (112642640269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79944392 + ... + 79945800.

It is an arithmetic number, because the mean of its divisors is an integer number (2071198350).

Almost surely, 2112642640264 is an apocalyptic number.

112642640264 is a gapful number since it is divisible by the number (14) 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 112642640264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132556694400).

112642640264 is an abundant number, since it is smaller than the sum of its proper divisors (152470748536).

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

112642640264 is a wasteful number, since it uses less digits than its factorization.

112642640264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223 (or 2219 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

Adding to 112642640264 its reverse (462046246211), we get a palindrome (574688886475).

The spelling of 112642640264 in words is "one hundred twelve billion, six hundred forty-two million, six hundred forty thousand, two hundred sixty-four".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 233 308 466 557 616 932 1114 1409 1631 1864 2228 2563 2818 3262 3899 4456 5126 5636 6127 6524 7798 9863 10252 11272 12254 13048 15499 15596 17941 19726 20504 24508 30998 31192 35882 39452 42889 49016 61996 71764 78904 85778 108493 123992 129781 143528 171556 216986 259562 328297 343112 433972 519124 656594 784813 867944 908467 1038248 1313188 1427591 1569626 1816934 2298079 2626376 2855182 3139252 3611267 3633868 4596158 5493691 5710364 6278504 7222534 7267736 8632943 9192316 9993137 10987382 11420728 14445068 17265886 18384632 19986274 21974764 25278869 28890136 34531772 39972548 43949528 50557738 60430601 69063544 79945096 101115476 120861202 182861429 202230952 241722404 365722858 483444808 731445716 1280030003 1462891432 2011475719 2560060006 4022951438 5120120012 8045902876 10240240024 14080330033 16091805752 28160660066 56321320132 112642640264