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20076518929385 = 518122183998817
BaseRepresentation
bin1001001000010011011011…
…10001110111001111101001
32122002022000010022212111102
410210021231301313033221
510112413202321220020
6110411005300211145
74141323566133362
oct444115561671751
978068003285442
1020076518929385
1164404495a6256
122302b69699ab5
13b28291179249
144d59cc964b69
1524c382936475
hex12426dc773e9

20076518929385 has 8 divisors (see below), whose sum is σ = 24224926709256. Its totient is φ = 15972479147520.

The previous prime is 20076518929351. The next prime is 20076518929417. The reversal of 20076518929385 is 58392981567002.

It can be written as a sum of positive squares in 4 ways, for example, as 524442465856 + 19552076463529 = 724184^2 + 4421773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20076518929385 - 236 = 20007799452649 is a prime.

It is a super-2 number, since 2×200765189293852 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11091998504 + ... + 11092000313.

It is an arithmetic number, because the mean of its divisors is an integer number (3028115838657).

Almost surely, 220076518929385 is an apocalyptic number.

It is an amenable number.

20076518929385 is a deficient number, since it is larger than the sum of its proper divisors (4148407779871).

20076518929385 is a wasteful number, since it uses less digits than its factorization.

20076518929385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22183999003.

The product of its (nonzero) digits is 65318400, while the sum is 65.

The spelling of 20076518929385 in words is "twenty trillion, seventy-six billion, five hundred eighteen million, nine hundred twenty-nine thousand, three hundred eighty-five".

Divisors: 1 5 181 905 22183998817 110919994085 4015303785877 20076518929385