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12518291104 = 2511378811091
BaseRepresentation
bin10111010100010010…
…11111011010100000
31012022102101002002021
423222021133122200
5201114140303404
65430102231224
7622133501344
oct135211373240
935272332067
1012518291104
115344281430
122514425514
131246652257
1486a7b5624
154d3eed454
hex2ea25f6a0

12518291104 has 96 divisors (see below), whose sum is σ = 27669200832. Its totient is φ = 5524992000.

The previous prime is 12518291077. The next prime is 12518291117. The reversal of 12518291104 is 40119281521.

12518291104 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 2×125182911042 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12518291104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11473599 + ... + 11474689.

It is an arithmetic number, because the mean of its divisors is an integer number (288220842).

Almost surely, 212518291104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12518291104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13834600416).

12518291104 is an abundant number, since it is smaller than the sum of its proper divisors (15150909728).

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

12518291104 is a wasteful number, since it uses less digits than its factorization.

12518291104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2022 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The spelling of 12518291104 in words is "twelve billion, five hundred eighteen million, two hundred ninety-one thousand, one hundred four".

Divisors: 1 2 4 8 11 16 22 32 37 44 74 88 148 176 296 352 407 592 814 881 1091 1184 1628 1762 2182 3256 3524 4364 6512 7048 8728 9691 12001 13024 14096 17456 19382 24002 28192 32597 34912 38764 40367 48004 65194 77528 80734 96008 130388 155056 161468 192016 260776 310112 322936 358567 384032 444037 521552 645872 717134 888074 961171 1043104 1291744 1434268 1776148 1922342 2868536 3552296 3844684 5737072 7104592 7689368 10572881 11474144 14209184 15378736 21145762 30757472 35563327 42291524 71126654 84583048 142253308 169166096 284506616 338332192 391196597 569013232 782393194 1138026464 1564786388 3129572776 6259145552 12518291104