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12706250076 = 223213191428953
BaseRepresentation
bin10111101010101100…
…11111110101011100
31012210112001101022200
423311112133311130
5202010300000301
65500455011500
7626605225602
oct136526376534
935715041280
1012706250076
11543038a823
122567369b90
131276581990
14887741872
154e5779c86
hex2f559fd5c

12706250076 has 72 divisors (see below), whose sum is σ = 36409747920. Its totient is φ = 3703843584.

The previous prime is 12706250033. The next prime is 12706250077. The reversal of 12706250076 is 67005260721.

12706250076 is a `hidden beast` number, since 1 + 27 + 0 + 62 + 500 + 76 = 666.

It is a super-2 number, since 2×127062500762 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12706250076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12706250077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 705585 + ... + 723368.

Almost surely, 212706250076 is an apocalyptic number.

It is an amenable number.

12706250076 is an abundant number, since it is smaller than the sum of its proper divisors (23703497844).

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

12706250076 is a wasteful number, since it uses less digits than its factorization.

12706250076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428995 (or 1428990 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 12706250076 in words is "twelve billion, seven hundred six million, two hundred fifty thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 13 18 19 26 36 38 39 52 57 76 78 114 117 156 171 228 234 247 342 468 494 684 741 988 1482 2223 2964 4446 8892 1428953 2857906 4286859 5715812 8573718 12860577 17147436 18576389 25721154 27150107 37152778 51442308 54300214 55729167 74305556 81450321 108600428 111458334 162900642 167187501 222916668 244350963 325801284 334375002 352951391 488701926 668750004 705902782 977403852 1058854173 1411805564 2117708346 3176562519 4235416692 6353125038 12706250076