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11983859925 = 352159784799
BaseRepresentation
bin10110010100100101…
…10011000011010101
31010221011202011022220
423022102303003111
5144020332004200
65301051412553
7602654062062
oct131222630325
933834664286
1011983859925
11509a638374
1223a5454159
13118ca0329b
14819819c69
154a21334a0
hex2ca4b30d5

11983859925 has 12 divisors (see below), whose sum is σ = 19813315200. Its totient is φ = 6391391920.

The previous prime is 11983859903. The next prime is 11983859933. The reversal of 11983859925 is 52995838911.

It is not a de Polignac number, because 11983859925 - 29 = 11983859413 is a prime.

It is a super-2 number, since 2×119838599252 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79892325 + ... + 79892474.

It is an arithmetic number, because the mean of its divisors is an integer number (1651109600).

Almost surely, 211983859925 is an apocalyptic number.

11983859925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11983859925 is a deficient number, since it is larger than the sum of its proper divisors (7829455275).

11983859925 is a wasteful number, since it uses less digits than its factorization.

11983859925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159784812 (or 159784807 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 60.

The spelling of 11983859925 in words is "eleven billion, nine hundred eighty-three million, eight hundred fifty-nine thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 159784799 479354397 798923995 2396771985 3994619975 11983859925