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1955152149884 = 221981324670067
BaseRepresentation
bin11100011100111000001…
…001100011110101111100
320220220120220201000022022
4130130320021203311330
5224013122422244014
64054103503535312
7261153331032323
oct34347011436574
96826526630268
101955152149884
116941a246624a
12276b085ba538
131124a702585b
146a8b65090ba
1535cd0ae5a8e
hex1c738263d7c

1955152149884 has 12 divisors (see below), whose sum is σ = 3421689091464. Its totient is φ = 977526695184.

The previous prime is 1955152149823. The next prime is 1955152149901. The reversal of 1955152149884 is 4889412515591.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12255782 + ... + 12414285.

It is an arithmetic number, because the mean of its divisors is an integer number (285140757622).

Almost surely, 21955152149884 is an apocalyptic number.

It is an amenable number.

1955152149884 is a deficient number, since it is larger than the sum of its proper divisors (1466536941580).

1955152149884 is a wasteful number, since it uses less digits than its factorization.

1955152149884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24689884 (or 24689882 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 62.

The spelling of 1955152149884 in words is "one trillion, nine hundred fifty-five billion, one hundred fifty-two million, one hundred forty-nine thousand, eight hundred eighty-four".

Divisors: 1 2 4 19813 39626 79252 24670067 49340134 98680268 488788037471 977576074942 1955152149884