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3138889026 = 237135748881
BaseRepresentation
bin1011101100010111…
…1010010101000010
322002202101002021010
42323011322111002
522412023422101
61235245141350
7140533054650
oct27305722502
98082332233
103138889026
111370903869
1273725a856
133b03c2cb0
1421ac3bdd0
1513587b2d6
hexbb17a542

3138889026 has 32 divisors (see below), whose sum is σ = 7726497408. Its totient is φ = 827838720.

The previous prime is 3138888989. The next prime is 3138889049. The reversal of 3138889026 is 6209888313.

3138889026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2873895 + ... + 2874986.

It is an arithmetic number, because the mean of its divisors is an integer number (241453044).

Almost surely, 23138889026 is an apocalyptic number.

3138889026 is an abundant number, since it is smaller than the sum of its proper divisors (4587608382).

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

3138889026 is a wasteful number, since it uses less digits than its factorization.

3138889026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748906.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 3138889026 is about 56025.7889368816. The cubic root of 3138889026 is about 1464.1716285918.

The spelling of 3138889026 in words is "three billion, one hundred thirty-eight million, eight hundred eighty-nine thousand, twenty-six".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 5748881 11497762 17246643 34493286 40242167 74735453 80484334 120726501 149470906 224206359 241453002 448412718 523148171 1046296342 1569444513 3138889026