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11405182992 = 243743397823
BaseRepresentation
bin10101001111100110…
…10100100000010000
31002102211212022210220
422213303110200100
5141324211323432
65123420353040
7552426312240
oct124763244020
932384768726
1011405182992
114922a23875
1222636a5780
1310c9b620b8
147a2a23b20
1546b42872c
hex2a7cd4810

11405182992 has 80 divisors (see below), whose sum is σ = 33684510720. Its totient is φ = 3257456256.

The previous prime is 11405182981. The next prime is 11405183059. The reversal of 11405182992 is 29928150411.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453993 + ... + 1461815.

It is an arithmetic number, because the mean of its divisors is an integer number (421056384).

Almost surely, 211405182992 is an apocalyptic number.

11405182992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11405182992 is an abundant number, since it is smaller than the sum of its proper divisors (22279327728).

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

11405182992 is a wasteful number, since it uses less digits than its factorization.

11405182992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12180 (or 12174 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 11405182992 in words is "eleven billion, four hundred five million, one hundred eighty-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 4339 7823 8678 13017 15646 17356 23469 26034 30373 31292 34712 46938 52068 54761 60746 62584 69424 91119 93876 104136 109522 121492 125168 164283 182238 187752 208272 219044 242984 328566 364476 375504 438088 485968 657132 728952 876176 1314264 1457904 2628528 33943997 67887994 101831991 135775988 203663982 237607979 271551976 407327964 475215958 543103952 712823937 814655928 950431916 1425647874 1629311856 1900863832 2851295748 3801727664 5702591496 11405182992