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20488861486162 = 297922211145213
BaseRepresentation
bin1001010100010011011110…
…10011111000110001010010
32200112201022222121002101201
410222021233103320301102
510141142142020024122
6111324241504221414
74213162042055056
oct452115723706122
980481288532351
1020488861486162
11658a3061901a3
12236aa6630a86a
13b581258ca404
1450b948035c66
15257e67bb8a27
hex12a26f4f8c52

20488861486162 has 16 divisors (see below), whose sum is σ = 31050494099352. Its totient is φ = 10138699261440.

The previous prime is 20488861486157. The next prime is 20488861486183. The reversal of 20488861486162 is 26168416888402.

It can be written as a sum of positive squares in 4 ways, for example, as 19795923446121 + 692938040041 = 4449261^2 + 832429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20488861486094 and 20488861486103.

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, 17318268 + ... + 18463480.

Almost surely, 220488861486162 is an apocalyptic number.

20488861486162 is a deficient number, since it is larger than the sum of its proper divisors (10561632613190).

20488861486162 is a wasteful number, since it uses less digits than its factorization.

20488861486162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237533.

The product of its (nonzero) digits is 56623104, while the sum is 64.

The spelling of 20488861486162 in words is "twenty trillion, four hundred eighty-eight billion, eight hundred sixty-one million, four hundred eighty-six thousand, one hundred sixty-two".

Divisors: 1 2 97 194 92221 184442 1145213 2290426 8945437 17890874 111085661 222171322 105612688073 211225376146 10244430743081 20488861486162