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20445659526848 = 26369786411531
BaseRepresentation
bin1001010011000011000000…
…10001011111011011000000
32200101120211011111011110112
410221201200101133123000
510134440202314324343
6111252334544250452
74210102334343653
oct451414021373300
980346734434415
1020445659526848
116572a56870796
12236260a010a28
13b5402c37158a
1450980a4cd89a
15256c8a048218
hex12986045f6c0

20445659526848 has 28 divisors (see below), whose sum is σ = 40582830357672. Its totient is φ = 10220064476160.

The previous prime is 20445659526847. The next prime is 20445659526863. The reversal of 20445659526848 is 84862595654402.

It is not an unprimeable number, because it can be changed into a prime (20445659526847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42969158 + ... + 43442373.

Almost surely, 220445659526848 is an apocalyptic number.

It is an amenable number.

20445659526848 is a deficient number, since it is larger than the sum of its proper divisors (20137170830824).

20445659526848 is an equidigital number, since it uses as much as digits as its factorization.

20445659526848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86415240 (or 86415230 counting only the distinct ones).

The product of its (nonzero) digits is 663552000, while the sum is 68.

The spelling of 20445659526848 in words is "twenty trillion, four hundred forty-five billion, six hundred fifty-nine million, five hundred twenty-six thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 3697 7394 14788 29576 59152 118304 236608 86411531 172823062 345646124 691292248 1382584496 2765168992 5530337984 319463430107 638926860214 1277853720428 2555707440856 5111414881712 10222829763424 20445659526848