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10642993041840 = 243544345804341
BaseRepresentation
bin1001101011100000001111…
…0100011101000110110000
31101200110102111002010100120
42122320003310131012300
52343333322204314330
634345153513250240
72145634201125525
oct232700364350660
941613374063316
1010642993041840
113433739123255
12123a824a03980
135c2825c84653
1428b1a329514c
15136cae414c10
hex9ae03d1d1b0

10642993041840 has 40 divisors (see below), whose sum is σ = 32993278430448. Its totient is φ = 2838131477760.

The previous prime is 10642993041773. The next prime is 10642993041871. The reversal of 10642993041840 is 4814039924601.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×106429930418402 (a number of 27 digits) contains 22 as substring.

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, 22172901931 + ... + 22172902410.

Almost surely, 210642993041840 is an apocalyptic number.

10642993041840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10642993041840 is an abundant number, since it is smaller than the sum of its proper divisors (22350285388608).

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

10642993041840 is a wasteful number, since it uses less digits than its factorization.

10642993041840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44345804357 (or 44345804351 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 10642993041840 in words is "ten trillion, six hundred forty-two billion, nine hundred ninety-three million, forty-one thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 44345804341 88691608682 133037413023 177383217364 221729021705 266074826046 354766434728 443458043410 532149652092 665187065115 709532869456 886916086820 1064299304184 1330374130230 1773832173640 2128598608368 2660748260460 3547664347280 5321496520920 10642993041840