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20750657426315 = 546717235157743
BaseRepresentation
bin1001011011111011000111…
…00100001001001110001011
32201110202001222211210101022
410231331203210021032023
510204434321300120230
6112044415335543055
74241120430614645
oct455754344111613
981422058753338
1020750657426315
11668033916a913
1223b174922aa8b
13b76a1777493b
1451a4a1307895
1525eb8b3961e5
hex12df6390938b

20750657426315 has 16 divisors (see below), whose sum is σ = 24968597442048. Its totient is φ = 16555361533536.

The previous prime is 20750657426311. The next prime is 20750657426333. The reversal of 20750657426315 is 51362475605702.

It is a cyclic number.

It is not a de Polignac number, because 20750657426315 - 22 = 20750657426311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20750657426311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1444334 + ... + 6602076.

It is an arithmetic number, because the mean of its divisors is an integer number (1560537340128).

Almost surely, 220750657426315 is an apocalyptic number.

20750657426315 is a deficient number, since it is larger than the sum of its proper divisors (4217940015733).

20750657426315 is a wasteful number, since it uses less digits than its factorization.

20750657426315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159938.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 20750657426315 in words is "twenty trillion, seven hundred fifty billion, six hundred fifty-seven million, four hundred twenty-six thousand, three hundred fifteen".

Divisors: 1 5 467 1723 2335 8615 804641 4023205 5157743 25788715 2408665981 8886791189 12043329905 44433955945 4150131485263 20750657426315