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506349081597 = 31973121689277
BaseRepresentation
bin1110101111001001100…
…00011101001111111101
31210101222100010110211210
413113210300131033331
531244000331102342
61024340310035033
751403542115332
oct7274460351775
91711870113753
10506349081597
11185817946477
1282173348a79
133899663a9a8
141a716540989
15d28822279c
hex75e4c1d3fd

506349081597 has 16 divisors (see below), whose sum is σ = 720400525760. Its totient is φ = 315418603392.

The previous prime is 506349081569. The next prime is 506349081617. The reversal of 506349081597 is 795180943605.

It is not a de Polignac number, because 506349081597 - 214 = 506349065213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506349085597) 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, 60840478 + ... + 60848799.

It is an arithmetic number, because the mean of its divisors is an integer number (45025032860).

Almost surely, 2506349081597 is an apocalyptic number.

506349081597 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

506349081597 is a deficient number, since it is larger than the sum of its proper divisors (214051444163).

506349081597 is a wasteful number, since it uses less digits than its factorization.

506349081597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121689372.

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 506349081597 in words is "five hundred six billion, three hundred forty-nine million, eighty-one thousand, five hundred ninety-seven".

Divisors: 1 3 19 57 73 219 1387 4161 121689277 365067831 2312096263 6936288789 8883317221 26649951663 168783027199 506349081597