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20013655374122 = 231378724348463
BaseRepresentation
bin1001000110011110010101…
…10100011011100100101010
32121212021202001110101101212
410203033022310123210222
510110400431233432442
6110322051340113122
74133640015545144
oct443171264334452
977767661411355
1020013655374122
11641681a7817a3
1222b29448357a2
13b2238339b877
144d2947a65c94
1524a903ae2a82
hex1233cad1b92a

20013655374122 has 16 divisors (see below), whose sum is σ = 31826423196672. Its totient is φ = 9422296338960.

The previous prime is 20013655374101. The next prime is 20013655374187. The reversal of 20013655374122 is 22147355631002.

It is a self number, because there is not a number n which added to its sum of digits gives 20013655374122.

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, 4362171938 + ... + 4362176525.

It is an arithmetic number, because the mean of its divisors is an integer number (1989151449792).

Almost surely, 220013655374122 is an apocalyptic number.

20013655374122 is a deficient number, since it is larger than the sum of its proper divisors (11812767822550).

20013655374122 is a wasteful number, since it uses less digits than its factorization.

20013655374122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8724348533.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 20013655374122 in words is "twenty trillion, thirteen billion, six hundred fifty-five million, three hundred seventy-four thousand, one hundred twenty-two".

Divisors: 1 2 31 37 62 74 1147 2294 8724348463 17448696926 270454802353 322800893131 540909604706 645601786262 10006827687061 20013655374122