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23148148194 = 2332771547543
BaseRepresentation
bin10101100011101111…
…001011010111100010
32012202020022202201000
4111203233023113202
5334401411220234
614344545052430
71446430004343
oct254357132742
965666282630
1023148148194
1198a9587396
1245a0327116
13224b990212
1411984540ca
15907325899
hex563bcb5e2

23148148194 has 32 divisors (see below), whose sum is σ = 51626067840. Its totient is φ = 7688188656.

The previous prime is 23148148169. The next prime is 23148148207. The reversal of 23148148194 is 49184184132.

23148148194 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 81 + 481 + 94 = 666.

It is a super-2 number, since 2×231481481942 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758814 + ... + 788729.

It is an arithmetic number, because the mean of its divisors is an integer number (1613314620).

Almost surely, 223148148194 is an apocalyptic number.

23148148194 is an abundant number, since it is smaller than the sum of its proper divisors (28477919646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23148148194 is a wasteful number, since it uses less digits than its factorization.

23148148194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547831 (or 1547825 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The spelling of 23148148194 in words is "twenty-three billion, one hundred forty-eight million, one hundred forty-eight thousand, one hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 277 554 831 1662 2493 4986 7479 14958 1547543 3095086 4642629 9285258 13927887 27855774 41783661 83567322 428669411 857338822 1286008233 2572016466 3858024699 7716049398 11574074097 23148148194