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12148865945908 = 2230759531661887
BaseRepresentation
bin1011000011001010000011…
…0101101101000100110100
31121000102100100121200220121
42300302200311231010310
53043021334140232113
641501040103541324
72362504136455426
oct260624065550464
947012310550817
1012148865945908
11396433a11936a
12144264675a844
136a1830027003
143000188c8816
1516104718de8d
hexb0ca0d6d134

12148865945908 has 24 divisors (see below), whose sum is σ = 21333363763712. Its totient is φ = 6053625828864.

The previous prime is 12148865945891. The next prime is 12148865945929. The reversal of 12148865945908 is 80954956884121.

It is a happy number.

It is a super-3 number, since 3×121488659459083 (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6479341 + ... + 8141227.

Almost surely, 212148865945908 is an apocalyptic number.

It is an amenable number.

12148865945908 is a deficient number, since it is larger than the sum of its proper divisors (9184497817804).

12148865945908 is a wasteful number, since it uses less digits than its factorization.

12148865945908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668151 (or 1668149 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 70.

The spelling of 12148865945908 in words is "twelve trillion, one hundred forty-eight billion, eight hundred sixty-five million, nine hundred forty-five thousand, nine hundred eight".

Divisors: 1 2 4 307 614 1228 5953 11906 23812 1661887 1827571 3323774 3655142 6647548 7310284 510199309 1020398618 2040797236 9893213311 19786426622 39572853244 3037216486477 6074432972954 12148865945908