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8100146048 = 27139455269
BaseRepresentation
bin1111000101100111…
…00110101110000000
3202220111212001110012
413202303212232000
5113042114133143
63415434124052
7404505051101
oct74263465600
922814761405
108100146048
113487359685
1216a0880628
139c1208237
1456bad63a8
153261cd418
hex1e2ce6b80

8100146048 has 32 divisors (see below), whose sum is σ = 16253139000. Its totient is φ = 4020926976.

The previous prime is 8100146011. The next prime is 8100146069. The reversal of 8100146048 is 8406410018.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×81001460482 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209843 + ... + 245426.

Almost surely, 28100146048 is an apocalyptic number.

It is an amenable number.

8100146048 is an abundant number, since it is smaller than the sum of its proper divisors (8152992952).

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

8100146048 is a wasteful number, since it uses less digits than its factorization.

8100146048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455422 (or 455410 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 8100146048 is about 90000.8113741204. The cubic root of 8100146048 is about 2008.3109204633.

The spelling of 8100146048 in words is "eight billion, one hundred million, one hundred forty-six thousand, forty-eight".

Divisors: 1 2 4 8 16 32 64 128 139 278 556 1112 2224 4448 8896 17792 455269 910538 1821076 3642152 7284304 14568608 29137216 58274432 63282391 126564782 253129564 506259128 1012518256 2025036512 4050073024 8100146048