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20270771523121 = 723892609464603
BaseRepresentation
bin1001001101111101010000…
…01000101100111000110001
32122202212101220212001210011
410212332220020230320301
510124104020002214441
6111040132555334521
74161341421006040
oct446765010547061
978685356761704
1020270771523121
116505871081019
122334740451441
13b406aa83c7c2
145011795ca557
1525245151a581
hex126fa822ce31

20270771523121 has 16 divisors (see below), whose sum is σ = 23185226332800. Its totient is φ = 17360979925248.

The previous prime is 20270771523103. The next prime is 20270771523143. The reversal of 20270771523121 is 12132517707202.

It is a cyclic number.

It is not a de Polignac number, because 20270771523121 - 27 = 20270771522993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20270771526121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43398006 + ... + 43862608.

It is an arithmetic number, because the mean of its divisors is an integer number (1449076645800).

Almost surely, 220270771523121 is an apocalyptic number.

It is an amenable number.

20270771523121 is a deficient number, since it is larger than the sum of its proper divisors (2914454809679).

20270771523121 is a wasteful number, since it uses less digits than its factorization.

20270771523121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469608.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 20270771523121 in words is "twenty trillion, two hundred seventy billion, seven hundred seventy-one million, five hundred twenty-three thousand, one hundred twenty-one".

Divisors: 1 7 2389 2609 16723 18263 464603 3252221 6232901 43630307 1109936567 1212149227 7769555969 8485044589 2895824503303 20270771523121