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12911114208 = 253241558053
BaseRepresentation
bin11000000011000111…
…11111011111100000
31020022210112120002010
430001203333133200
5202420221123313
65533053552520
7634643442246
oct140143773740
936283476063
1012911114208
115525a95223
122603aa5740
1312a9b4cc65
148a6a2c796
155087454c3
hex3018ff7e0

12911114208 has 48 divisors (see below), whose sum is σ = 34032365136. Its totient is φ = 4285839360.

The previous prime is 12911114197. The next prime is 12911114231. The reversal of 12911114208 is 80241111921.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255891 + ... + 302162.

It is an arithmetic number, because the mean of its divisors is an integer number (709007607).

Almost surely, 212911114208 is an apocalyptic number.

It is an amenable number.

12911114208 is an abundant number, since it is smaller than the sum of its proper divisors (21121250928).

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

12911114208 is a wasteful number, since it uses less digits than its factorization.

12911114208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558307 (or 558299 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

The spelling of 12911114208 in words is "twelve billion, nine hundred eleven million, one hundred fourteen thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 241 482 723 964 1446 1928 2892 3856 5784 7712 11568 23136 558053 1116106 1674159 2232212 3348318 4464424 6696636 8928848 13393272 17857696 26786544 53573088 134490773 268981546 403472319 537963092 806944638 1075926184 1613889276 2151852368 3227778552 4303704736 6455557104 12911114208