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12148390468 = 22171941922441
BaseRepresentation
bin10110101000001100…
…11011101001000100
31011100122100011210201
423110012123221010
5144334441443333
65325250100244
7610022421004
oct132406335104
934318304721
1012148390468
1151744a4625
12243057a684
1311b7b1bc36
14833608004
154b17d317d
hex2d419ba44

12148390468 has 48 divisors (see below), whose sum is σ = 23752612800. Its totient is φ = 5402833920.

The previous prime is 12148390459. The next prime is 12148390469. The reversal of 12148390468 is 86409384121.

It is not an unprimeable number, because it can be changed into a prime (12148390469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530128 + ... + 552568.

It is an arithmetic number, because the mean of its divisors is an integer number (494846100).

Almost surely, 212148390468 is an apocalyptic number.

It is an amenable number.

12148390468 is a deficient number, since it is larger than the sum of its proper divisors (11604222332).

12148390468 is a wasteful number, since it uses less digits than its factorization.

12148390468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22900 (or 22898 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 12148390468 in words is "twelve billion, one hundred forty-eight million, three hundred ninety thousand, four hundred sixty-eight".

Divisors: 1 2 4 17 19 34 38 68 76 323 419 646 838 1292 1676 7123 7961 14246 15922 22441 28492 31844 44882 89764 135337 270674 381497 426379 541348 762994 852758 1525988 1705516 7248443 9402779 14496886 18805558 28993772 37611116 159847243 178652801 319694486 357305602 639388972 714611204 3037097617 6074195234 12148390468