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11869618930 = 251391304761
BaseRepresentation
bin10110000110111110…
…00000001011110010
31010122012210010010221
423003133000023302
5143302110301210
65241451043254
7600066045001
oct130337001362
933565703127
1011869618930
1150410aa424
12237314052a
131172144770
1480859cc38
154970b91da
hex2c37c02f2

11869618930 has 16 divisors (see below), whose sum is σ = 23008800024. Its totient is φ = 4382628480.

The previous prime is 11869618927. The next prime is 11869618949. The reversal of 11869618930 is 3981696811.

It can be written as a sum of positive squares in 4 ways, for example, as 5460175449 + 6409443481 = 73893^2 + 80059^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45652251 + ... + 45652510.

Almost surely, 211869618930 is an apocalyptic number.

11869618930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11869618930 is a deficient number, since it is larger than the sum of its proper divisors (11139181094).

11869618930 is a wasteful number, since it uses less digits than its factorization.

11869618930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91304781.

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 11869618930 in words is "eleven billion, eight hundred sixty-nine million, six hundred eighteen thousand, nine hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 91304761 182609522 456523805 913047610 1186961893 2373923786 5934809465 11869618930