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20415541134 = 233791961897
BaseRepresentation
bin10011000000110111…
…000110111110001110
31221200210102221112010
4103000313012332032
5313302334304014
613213451522050
71321626144042
oct230067067616
957623387463
1020415541134
11872704a24a
123b59159326
131c047cac71
14db9574022
157e749e359
hex4c0dc6f8e

20415541134 has 16 divisors (see below), whose sum is σ = 41934625488. Its totient is φ = 6621256512.

The previous prime is 20415541121. The next prime is 20415541147. The reversal of 20415541134 is 43114551402.

It is an interprime number because it is at equal distance from previous prime (20415541121) and next prime (20415541147).

It is a congruent number.

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, 45980727 + ... + 45981170.

It is an arithmetic number, because the mean of its divisors is an integer number (2620914093).

Almost surely, 220415541134 is an apocalyptic number.

20415541134 is an abundant number, since it is smaller than the sum of its proper divisors (21519084354).

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

20415541134 is a wasteful number, since it uses less digits than its factorization.

20415541134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91961939.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 20415541134 in words is "twenty billion, four hundred fifteen million, five hundred forty-one thousand, one hundred thirty-four".

Divisors: 1 2 3 6 37 74 111 222 91961897 183923794 275885691 551771382 3402590189 6805180378 10207770567 20415541134