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138803464593 = 3337138942407
BaseRepresentation
bin1000000101000101010…
…1001100100110010001
3111021021110012120202000
42001101111030212101
54233232141331333
6143433155544213
713012451660613
oct2012125144621
9437243176660
10138803464593
1153958a34402
1222a98bbb069
1310120a11791
146a0a760db3
153925b6c713
hex205154c991

138803464593 has 16 divisors (see below), whose sum is σ = 211192460160. Its totient is φ = 90034679088.

The previous prime is 138803464571. The next prime is 138803464619. The reversal of 138803464593 is 395464308831.

138803464593 is a `hidden beast` number, since 1 + 3 + 8 + 8 + 0 + 3 + 46 + 4 + 593 = 666.

It is not a de Polignac number, because 138803464593 - 28 = 138803464337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138803464523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69470205 + ... + 69472202.

It is an arithmetic number, because the mean of its divisors is an integer number (13199528760).

Almost surely, 2138803464593 is an apocalyptic number.

It is an amenable number.

138803464593 is a deficient number, since it is larger than the sum of its proper divisors (72388995567).

138803464593 is a wasteful number, since it uses less digits than its factorization.

138803464593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138942453 (or 138942447 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 138803464593 in words is "one hundred thirty-eight billion, eight hundred three million, four hundred sixty-four thousand, five hundred ninety-three".

Divisors: 1 3 9 27 37 111 333 999 138942407 416827221 1250481663 3751444989 5140869059 15422607177 46267821531 138803464593