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8105947934 = 272940149789
BaseRepresentation
bin1111000110010011…
…01111001100011110
3202220220202211010212
413203021233030132
5113100110313214
63420202332422
7404605264160
oct74311571436
922826684125
108105947934
11348a661727
1216a27ba112
139c2489cc6
1456c7a6930
1532697753e
hex1e326f31e

8105947934 has 32 divisors (see below), whose sum is σ = 14411217600. Its totient is φ = 3345753600.

The previous prime is 8105947897. The next prime is 8105947981. The reversal of 8105947934 is 4397495018.

It is a congruent number.

It is an unprimeable number.

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, 137912 + ... + 187700.

It is an arithmetic number, because the mean of its divisors is an integer number (450350550).

Almost surely, 28105947934 is an apocalyptic number.

8105947934 is a deficient number, since it is larger than the sum of its proper divisors (6305269666).

8105947934 is a wasteful number, since it uses less digits than its factorization.

8105947934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50228.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 8105947934 is about 90033.0380138313. The cubic root of 8105947934 is about 2008.7903031832.

The spelling of 8105947934 in words is "eight billion, one hundred five million, nine hundred forty-seven thousand, nine hundred thirty-four".

Divisors: 1 2 7 14 29 58 203 401 406 802 2807 5614 11629 23258 49789 81403 99578 162806 348523 697046 1443881 2887762 10107167 19965389 20214334 39930778 139757723 279515446 578996281 1157992562 4052973967 8105947934