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20056706016 = 253538738783
BaseRepresentation
bin10010101011011110…
…010000101111100000
31220202210020020021120
4102223132100233200
5312034004043031
613114112452240
71310011121364
oct225336205740
956683206246
1020056706016
1185625400a6
123a78b4a080
131b783704a9
14d83a472a4
157c5c1ca96
hex4ab790be0

20056706016 has 48 divisors (see below), whose sum is σ = 52659984384. Its totient is φ = 6684155264.

The previous prime is 20056705987. The next prime is 20056706017. The reversal of 20056706016 is 61060765002.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20056706017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497761 + ... + 536543.

It is an arithmetic number, because the mean of its divisors is an integer number (1097083008).

Almost surely, 220056706016 is an apocalyptic number.

It is an amenable number.

20056706016 is an abundant number, since it is smaller than the sum of its proper divisors (32603278368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20056706016 is a wasteful number, since it uses less digits than its factorization.

20056706016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44183 (or 44175 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 20056706016 in words is "twenty billion, fifty-six million, seven hundred six thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 5387 10774 16161 21548 32322 38783 43096 64644 77566 86192 116349 129288 155132 172384 232698 258576 310264 465396 517152 620528 930792 1241056 1861584 3723168 208924021 417848042 626772063 835696084 1253544126 1671392168 2507088252 3342784336 5014176504 6685568672 10028353008 20056706016