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652728504213 = 32163990144939
BaseRepresentation
bin10010111111110011010…
…01101000111110010101
32022101210202211121020200
421133321221220332111
541143241444113323
61215505341051113
765105135512362
oct11377151507625
92271722747220
10652728504213
11231903251205
12a6605556a99
1349723a83b66
1423841107469
1511ea4028443
hex97f9a68f95

652728504213 has 24 divisors (see below), whose sum is σ = 948731216160. Its totient is φ = 432429386400.

The previous prime is 652728504161. The next prime is 652728504221. The reversal of 652728504213 is 312405827256.

652728504213 is a `hidden beast` number, since 6 + 52 + 72 + 8 + 504 + 21 + 3 = 666.

It is not a de Polignac number, because 652728504213 - 28 = 652728503957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652728504413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14502298 + ... + 14547236.

It is an arithmetic number, because the mean of its divisors is an integer number (39530467340).

Almost surely, 2652728504213 is an apocalyptic number.

It is an amenable number.

652728504213 is a deficient number, since it is larger than the sum of its proper divisors (296002711947).

652728504213 is a wasteful number, since it uses less digits than its factorization.

652728504213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55009 (or 55006 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 652728504213 in words is "six hundred fifty-two billion, seven hundred twenty-eight million, five hundred four thousand, two hundred thirteen".

Divisors: 1 3 9 163 489 1467 9901 29703 44939 89109 134817 404451 1613863 4841589 7325057 14524767 21975171 65925513 444941039 1334823117 4004469351 72525389357 217576168071 652728504213