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80100912 = 2436724907
BaseRepresentation
bin1001100011000…
…11111000110000
312120201112210110
410301203320300
5131001212122
611540501320
71661563233
oct461437060
9176645713
1080100912
1141240001
12229aa840
13137972b8
14a8d141a
15707390c
hex4c63e30

80100912 has 40 divisors (see below), whose sum is σ = 210024256. Its totient is φ = 26300736.

The previous prime is 80100899. The next prime is 80100913. The reversal of 80100912 is 21900108.

It is a super-2 number, since 2×801009122 = 12832312206463488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80100913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9238 + ... + 15669.

Almost surely, 280100912 is an apocalyptic number.

It is an amenable number.

80100912 is an abundant number, since it is smaller than the sum of its proper divisors (129923344).

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

80100912 is a wasteful number, since it uses less digits than its factorization.

80100912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24985 (or 24979 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 80100912 is about 8949.9112844765. The cubic root of 80100912 is about 431.0680354768.

The spelling of 80100912 in words is "eighty million, one hundred thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 67 134 201 268 402 536 804 1072 1608 3216 24907 49814 74721 99628 149442 199256 298884 398512 597768 1195536 1668769 3337538 5006307 6675076 10012614 13350152 20025228 26700304 40050456 80100912