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20730606524 = 225683911957
BaseRepresentation
bin10011010011101000…
…111111001110111100
31222111202021220222122
4103103220333032330
5314424013402044
613305024502112
71332503151035
oct232350771674
958452256878
1020730606524
118878983571
12402677a938
131c54b720a4
141009349a8c
15814e86dee
hex4d3a3f3bc

20730606524 has 12 divisors (see below), whose sum is σ = 36284984904. Its totient is φ = 10363467984.

The previous prime is 20730606511. The next prime is 20730606553. The reversal of 20730606524 is 42560603702.

It is a super-2 number, since 2×207306065242 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433247 + ... + 478710.

It is an arithmetic number, because the mean of its divisors is an integer number (3023748742).

Almost surely, 220730606524 is an apocalyptic number.

It is an amenable number.

20730606524 is a deficient number, since it is larger than the sum of its proper divisors (15554378380).

20730606524 is a wasteful number, since it uses less digits than its factorization.

20730606524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917644 (or 917642 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 20730606524 in words is "twenty billion, seven hundred thirty million, six hundred six thousand, five hundred twenty-four".

Divisors: 1 2 4 5683 11366 22732 911957 1823914 3647828 5182651631 10365303262 20730606524