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10627317721 = 47226113143
BaseRepresentation
bin10011110010110111…
…11111111111011001
31000102122011200021001
421321123333333121
5133231043131341
64514312145001
7524232465406
oct117133777731
930378150231
1010627317721
114563931109
122087098161
13100495c1a7
1472b5bb2ad
15422ec4d31
hex2796fffd9

10627317721 has 4 divisors (see below), whose sum is σ = 10853430912. Its totient is φ = 10401204532.

The previous prime is 10627317719. The next prime is 10627317733. The reversal of 10627317721 is 12771372601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12771372601 = 13982413277.

It is a cyclic number.

It is not a de Polignac number, because 10627317721 - 21 = 10627317719 is a prime.

It is a super-2 number, since 2×106273177212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10627317751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113056525 + ... + 113056618.

It is an arithmetic number, because the mean of its divisors is an integer number (2713357728).

Almost surely, 210627317721 is an apocalyptic number.

It is an amenable number.

10627317721 is a deficient number, since it is larger than the sum of its proper divisors (226113191).

10627317721 is an equidigital number, since it uses as much as digits as its factorization.

10627317721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226113190.

The product of its (nonzero) digits is 24696, while the sum is 37.

The spelling of 10627317721 in words is "ten billion, six hundred twenty-seven million, three hundred seventeen thousand, seven hundred twenty-one".

Divisors: 1 47 226113143 10627317721