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53654789969 = 117933614863
BaseRepresentation
bin110001111110000100…
…110001111101010001
312010111021221201221022
4301332010301331101
51334341111234334
640352040205225
73606421122044
oct617604617521
9163437851838
1053654789969
1120833803930
12a494a69815
1350a0cc4541
14284dca2c5b
1515e067a82e
hexc7e131f51

53654789969 has 8 divisors (see below), whose sum is σ = 58539971712. Its totient is φ = 48770853840.

The previous prime is 53654789939. The next prime is 53654789971. The reversal of 53654789969 is 96998745635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53654789969 is a prime.

It is a super-2 number, since 2×536547899692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53654789939) by changing a digit.

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, 220169 + ... + 394694.

It is an arithmetic number, because the mean of its divisors is an integer number (7317496464).

Almost surely, 253654789969 is an apocalyptic number.

It is an amenable number.

53654789969 is a deficient number, since it is larger than the sum of its proper divisors (4885181743).

53654789969 is a wasteful number, since it uses less digits than its factorization.

53654789969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622807.

The product of its digits is 440899200, while the sum is 71.

The spelling of 53654789969 in words is "fifty-three billion, six hundred fifty-four million, seven hundred eighty-nine thousand, nine hundred sixty-nine".

Divisors: 1 11 7933 87263 614863 6763493 4877708179 53654789969