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11405740740 = 22351251715187
BaseRepresentation
bin10101001111101010…
…11100101011000100
31002102212220122220020
422213311130223010
5141324332200430
65123440335140
7552434124312
oct124765345304
932385818806
1011405740740
114923274919
1222639144b0
1310c9cc8c24
147a2b2b0b2
1546b4d8b10
hex2a7d5cac4

11405740740 has 48 divisors (see below), whose sum is σ = 31940728512. Its totient is φ = 3041087616.

The previous prime is 11405740711. The next prime is 11405740789. The reversal of 11405740740 is 4704750411.

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, 743427 + ... + 758613.

It is an arithmetic number, because the mean of its divisors is an integer number (665431844).

Almost surely, 211405740740 is an apocalyptic number.

11405740740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11405740740 is an abundant number, since it is smaller than the sum of its proper divisors (20534987772).

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

11405740740 is a wasteful number, since it uses less digits than its factorization.

11405740740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27716 (or 27714 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The spelling of 11405740740 in words is "eleven billion, four hundred five million, seven hundred forty thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 12517 15187 25034 30374 37551 45561 50068 60748 62585 75102 75935 91122 125170 150204 151870 182244 187755 227805 250340 303740 375510 455610 751020 911220 190095679 380191358 570287037 760382716 950478395 1140574074 1900956790 2281148148 2851435185 3801913580 5702870370 11405740740