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3129234930 = 23551287751
BaseRepresentation
bin1011101010000100…
…0101010111110010
322002002012121100000
42322201011113302
522402041004210
61234302210430
7140355025623
oct27241052762
98062177300
103129234930
11136640a578
12733b83a16
133ab3c2a03
14219847a4a
15134ac0ac0
hexba8455f2

3129234930 has 48 divisors (see below), whose sum is σ = 8437351104. Its totient is φ = 834462000.

The previous prime is 3129234883. The next prime is 3129234943. The reversal of 3129234930 is 394329213.

3129234930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×31292349302 = 19584222494264209800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 641446 + ... + 646305.

It is an arithmetic number, because the mean of its divisors is an integer number (175778148).

Almost surely, 23129234930 is an apocalyptic number.

3129234930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3129234930 is an abundant number, since it is smaller than the sum of its proper divisors (5308116174).

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

3129234930 is a wasteful number, since it uses less digits than its factorization.

3129234930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287773 (or 1287761 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 3129234930 is about 55939.5649786446. The cubic root of 3129234930 is about 1462.6689982222.

The spelling of 3129234930 in words is "three billion, one hundred twenty-nine million, two hundred thirty-four thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 810 1215 2430 1287751 2575502 3863253 6438755 7726506 11589759 12877510 19316265 23179518 34769277 38632530 57948795 69538554 104307831 115897590 173846385 208615662 312923493 347692770 521539155 625846986 1043078310 1564617465 3129234930