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20071257946593 = 373725831734809
BaseRepresentation
bin1001001000001001101000…
…01100110011100111100001
32122001210102110212020211220
410210010310030303213201
510112321414013242333
6110404335243125253
74141046324412210
oct444046414634741
978053373766756
1020071257946593
116439199943a97
122301b3b813829
13b27933230c89
144d564dd69077
1524c175b2b8b3
hex1241343339e1

20071257946593 has 16 divisors (see below), whose sum is σ = 31411389528960. Its totient is φ = 11159309437056.

The previous prime is 20071257946589. The next prime is 20071257946633. The reversal of 20071257946593 is 39564975217002.

It is not a de Polignac number, because 20071257946593 - 22 = 20071257946589 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20071257946513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12915866628 + ... + 12915868181.

It is an arithmetic number, because the mean of its divisors is an integer number (1963211845560).

Almost surely, 220071257946593 is an apocalyptic number.

It is an amenable number.

20071257946593 is a deficient number, since it is larger than the sum of its proper divisors (11340131582367).

20071257946593 is a wasteful number, since it uses less digits than its factorization.

20071257946593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25831734856.

The product of its (nonzero) digits is 28576800, while the sum is 60.

The spelling of 20071257946593 in words is "twenty trillion, seventy-one billion, two hundred fifty-seven million, nine hundred forty-six thousand, five hundred ninety-three".

Divisors: 1 3 7 21 37 111 259 777 25831734809 77495204427 180822143663 542466430989 955774187933 2867322563799 6690419315531 20071257946593