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20034055188 = 2233726500073
BaseRepresentation
bin10010101010000111…
…110110110000010100
31220201012121110012000
4102222013312300110
5312012204231223
613111543155300
71306314442110
oct225207666024
956635543160
1020034055188
11855077a204
123a71445b30
131b7376c634
14d80a2c740
157c3c46543
hex4aa1f6c14

20034055188 has 48 divisors (see below), whose sum is σ = 59360165760. Its totient is φ = 5724015552.

The previous prime is 20034055157. The next prime is 20034055199. The reversal of 20034055188 is 88155043002.

It is a happy number.

20034055188 is a `hidden beast` number, since 20 + 0 + 3 + 4 + 0 + 551 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 13249281 + ... + 13250792.

It is an arithmetic number, because the mean of its divisors is an integer number (1236670120).

Almost surely, 220034055188 is an apocalyptic number.

20034055188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20034055188 is an abundant number, since it is smaller than the sum of its proper divisors (39326110572).

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

20034055188 is a wasteful number, since it uses less digits than its factorization.

20034055188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26500093 (or 26500085 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 20034055188 in words is "twenty billion, thirty-four million, fifty-five thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 26500073 53000146 79500219 106000292 159000438 185500511 238500657 318000876 371001022 477001314 556501533 715501971 742002044 954002628 1113003066 1431003942 1669504599 2226006132 2862007884 3339009198 5008513797 6678018396 10017027594 20034055188