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20032412100 = 2235266774707
BaseRepresentation
bin10010101010000001…
…100101100111000100
31220201002111222021220
4102222001211213010
5312011244141400
613111444040340
71306264456551
oct225201454704
956632458256
1020032412100
11854a857788
123a709930b0
131b733157ac
14d80721a28
157c3a1e7a0
hex4aa0659c4

20032412100 has 36 divisors (see below), whose sum is σ = 57960446544. Its totient is φ = 5341976480.

The previous prime is 20032412047. The next prime is 20032412137. The reversal of 20032412100 is 121423002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20032412100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33387054 + ... + 33387653.

It is an arithmetic number, because the mean of its divisors is an integer number (1610012404).

Almost surely, 220032412100 is an apocalyptic number.

20032412100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20032412100 is an abundant number, since it is smaller than the sum of its proper divisors (37928034444).

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

20032412100 is a wasteful number, since it uses less digits than its factorization.

20032412100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66774724 (or 66774717 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20032412100 its reverse (121423002), we get a palindrome (20153835102).

The spelling of 20032412100 in words is "twenty billion, thirty-two million, four hundred twelve thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 66774707 133549414 200324121 267098828 333873535 400648242 667747070 801296484 1001620605 1335494140 1669367675 2003241210 3338735350 4006482420 5008103025 6677470700 10016206050 20032412100