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34880977893 = 3171394920437
BaseRepresentation
bin100000011111000100…
…010111101111100101
310100000220201021022010
4200133010113233211
51032414012243033
624005112224433
72343245264046
oct403704275745
9110026637263
1034880977893
111387a447a63
12691569b119
13339b67cbb8
14198c7a68cd
15d923be863
hex81f117be5

34880977893 has 16 divisors (see below), whose sum is σ = 49598015040. Its totient is φ = 21728645376.

The previous prime is 34880977853. The next prime is 34880977897. The reversal of 34880977893 is 39877908843.

It is not a de Polignac number, because 34880977893 - 214 = 34880961509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34880977897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2453130 + ... + 2467307.

It is an arithmetic number, because the mean of its divisors is an integer number (3099875940).

Almost surely, 234880977893 is an apocalyptic number.

It is an amenable number.

34880977893 is a deficient number, since it is larger than the sum of its proper divisors (14717037147).

34880977893 is a wasteful number, since it uses less digits than its factorization.

34880977893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4920596.

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 34880977893 in words is "thirty-four billion, eight hundred eighty million, nine hundred seventy-seven thousand, eight hundred ninety-three".

Divisors: 1 3 17 51 139 417 2363 7089 4920437 14761311 83647429 250942287 683940743 2051822229 11626992631 34880977893