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20125698468111 = 3214091587075031
BaseRepresentation
bin1001001001101111000010…
…00110111010100100001111
32122020222221112022021211200
410210313201012322210033
510114214412301434421
6110445341312320543
74145014366252635
oct444674106724417
978228845267750
1020125698468111
11645a296122635
1223105b3843153
13b2cacac50a12
144d8136321355
1524d7b0261726
hex124de11ba90f

20125698468111 has 12 divisors (see below), whose sum is σ = 29091085336560. Its totient is φ = 13407609853440.

The previous prime is 20125698468091. The next prime is 20125698468119. The reversal of 20125698468111 is 11186489652102.

20125698468111 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 5 + 69 + 8 + 468 + 111 = 666.

It is not a de Polignac number, because 20125698468111 - 26 = 20125698468047 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125698468119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793524835 + ... + 793550196.

It is an arithmetic number, because the mean of its divisors is an integer number (2424257111380).

Almost surely, 220125698468111 is an apocalyptic number.

20125698468111 is a deficient number, since it is larger than the sum of its proper divisors (8965386868449).

20125698468111 is a wasteful number, since it uses less digits than its factorization.

20125698468111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587076446 (or 1587076443 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 20125698468111 in words is "twenty trillion, one hundred twenty-five billion, six hundred ninety-eight million, four hundred sixty-eight thousand, one hundred eleven".

Divisors: 1 3 9 1409 4227 12681 1587075031 4761225093 14283675279 2236188718679 6708566156037 20125698468111