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20352613045737 = 372438209392233
BaseRepresentation
bin1001010000010101101100…
…10001010101010111101001
32200001200122121010011220110
410220022312101111113221
510131424122414430422
6111141510015244533
74200266503324200
oct450126621252751
980050577104813
1020352613045737
116537549522315
122348580b19749
13b4832134226b
14505100b6a237
152546414e560c
hex1282b64555e9

20352613045737 has 48 divisors (see below), whose sum is σ = 32305459116480. Its totient is φ = 11358185223168.

The previous prime is 20352613045733. The next prime is 20352613045769. The reversal of 20352613045737 is 73754031625302.

It is a happy number.

It is not a de Polignac number, because 20352613045737 - 22 = 20352613045733 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20352613045733) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51692973 + ... + 52085205.

It is an arithmetic number, because the mean of its divisors is an integer number (673030398260).

Almost surely, 220352613045737 is an apocalyptic number.

It is an amenable number.

20352613045737 is a deficient number, since it is larger than the sum of its proper divisors (11952846070743).

20352613045737 is a wasteful number, since it uses less digits than its factorization.

20352613045737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400502 (or 400495 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 48.

The spelling of 20352613045737 in words is "twenty trillion, three hundred fifty-two billion, six hundred thirteen million, forty-five thousand, seven hundred thirty-seven".

Divisors: 1 3 7 21 43 49 129 147 301 903 2107 6321 8209 24627 57463 172389 352987 392233 402241 1058961 1176699 1206723 2470909 2745631 7412727 8236893 16866019 17296363 19219417 50598057 51889089 57658251 118062133 354186399 826434931 2479304793 3219840697 9659522091 22538884879 67616654637 138453149971 157772194153 415359449913 473316582459 969172049797 2907516149391 6784204348579 20352613045737