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12136204470 = 2351353976053
BaseRepresentation
bin10110100110101111…
…11100100010110110
31011022210102001202110
423103113330202312
5144323332020340
65324132551450
7606514015215
oct132327744266
934283361673
1012136204470
115168631055
122428482586
1311b54433a0
14831b5507c
154b06c7680
hex2d35fc8b6

12136204470 has 128 divisors (see below), whose sum is σ = 32294070144. Its totient is φ = 2900312064.

The previous prime is 12136204427. The next prime is 12136204481. The reversal of 12136204470 is 7440263121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2001964 + ... + 2008016.

It is an arithmetic number, because the mean of its divisors is an integer number (252297423).

Almost surely, 212136204470 is an apocalyptic number.

12136204470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12136204470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16147035072).

12136204470 is an abundant number, since it is smaller than the sum of its proper divisors (20157865674).

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

12136204470 is a wasteful number, since it uses less digits than its factorization.

12136204470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226.

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 12136204470 its reverse (7440263121), we get a palindrome (19576467591).

The spelling of 12136204470 in words is "twelve billion, one hundred thirty-six million, two hundred four thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 53 65 78 97 106 130 159 194 195 265 291 318 390 485 530 582 689 795 970 1261 1378 1455 1590 2067 2522 2910 3445 3783 4134 5141 6053 6305 6890 7566 10282 10335 12106 12610 15423 18159 18915 20670 25705 30265 30846 36318 37830 51410 60530 66833 77115 78689 90795 133666 154230 157378 181590 200499 236067 320809 334165 393445 400998 472134 587141 641618 668330 786890 962427 1002495 1174282 1180335 1604045 1761423 1924854 2004990 2360670 2935705 3208090 3522846 4170517 4812135 5871410 7632833 8341034 8807115 9624270 12511551 15265666 17614230 20852585 22898499 25023102 31118473 38164165 41705170 45796998 62236946 62557755 76328330 93355419 114492495 125115510 155592365 186710838 228984990 311184730 404540149 466777095 809080298 933554190 1213620447 2022700745 2427240894 4045401490 6068102235 12136204470