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12701392220 = 2251157733601
BaseRepresentation
bin10111101010000111…
…11101110101011100
31012210011220120121002
423311003331311130
5202003024022340
65500202525432
7626516024006
oct136503756534
935704816532
1012701392220
115428671a70
122565806878
1312755707ca
14886c39376
154e511a715
hex2f50fdd5c

12701392220 has 24 divisors (see below), whose sum is σ = 29097735408. Its totient is φ = 4618688000.

The previous prime is 12701392163. The next prime is 12701392271. The reversal of 12701392220 is 2229310721.

It is a super-2 number, since 2×127013922202 (a number of 21 digits) contains 22 as substring.

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, 28866581 + ... + 28867020.

It is an arithmetic number, because the mean of its divisors is an integer number (1212405642).

Almost surely, 212701392220 is an apocalyptic number.

12701392220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12701392220 is an abundant number, since it is smaller than the sum of its proper divisors (16396343188).

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

12701392220 is a wasteful number, since it uses less digits than its factorization.

12701392220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57733621 (or 57733619 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 12701392220 in words is "twelve billion, seven hundred one million, three hundred ninety-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 57733601 115467202 230934404 288668005 577336010 635069611 1154672020 1270139222 2540278444 3175348055 6350696110 12701392220