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206072596631 = 11216691020419
BaseRepresentation
bin1011111111101011100…
…0100100100010010111
3201200220112221120000202
42333322320210202113
511334014041043011
6234400214531115
720613446112236
oct2777270444227
9650815846022
10206072596631
117a438676a00
1233b31366a9b
1316581455615
149d8c7cab1d
15556164c23b
hex2ffae24897

206072596631 has 12 divisors (see below), whose sum is σ = 226645486200. Its totient is φ = 187226294640.

The previous prime is 206072596607. The next prime is 206072596637. The reversal of 206072596631 is 136695270602.

It is not a de Polignac number, because 206072596631 - 26 = 206072596567 is a prime.

It is a super-2 number, since 2×2060725966312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206072596637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308261 + ... + 712158.

It is an arithmetic number, because the mean of its divisors is an integer number (18887123850).

Almost surely, 2206072596631 is an apocalyptic number.

206072596631 is a deficient number, since it is larger than the sum of its proper divisors (20572889569).

206072596631 is a wasteful number, since it uses less digits than its factorization.

206072596631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022110 (or 1022099 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 206072596631 in words is "two hundred six billion, seventy-two million, five hundred ninety-six thousand, six hundred thirty-one".

Divisors: 1 11 121 1669 18359 201949 1020419 11224609 123470699 1703079311 18733872421 206072596631