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231022121102002 = 24714931646136731
BaseRepresentation
bin110100100001110100000111…
…011101101010101010110010
31010021222111110211111122201201
4310201310013131222222302
5220240031301000231002
62135202033003121414
766442540345022566
oct6441640735525262
91107874424448651
10231022121102002
1167679a2769a67a
1221ab1774b1326a
139bba3a593a319
14410975d2bd6a6
151ba9637680087
hexd21d0776aab2

231022121102002 has 16 divisors (see below), whose sum is σ = 354143271975552. Its totient is φ = 112977656053360.

The previous prime is 231022121101979. The next prime is 231022121102009. The reversal of 231022121102002 is 200201121220132.

231022121102002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231022121102009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822928024 + ... + 823208707.

It is an arithmetic number, because the mean of its divisors is an integer number (22133954498472).

Almost surely, 2231022121102002 is an apocalyptic number.

231022121102002 is a deficient number, since it is larger than the sum of its proper divisors (123121150873550).

231022121102002 is a wasteful number, since it uses less digits than its factorization.

231022121102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646138273.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 231022121102002 its reverse (200201121220132), we get a palindrome (431223242322134).

The spelling of 231022121102002 in words is "two hundred thirty-one trillion, twenty-two billion, one hundred twenty-one million, one hundred two thousand, two".

Divisors: 1 2 47 94 1493 2986 70171 140342 1646136731 3292273462 77368426357 154736852714 2457682139383 4915364278766 115511060551001 231022121102002