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10640646046 = 27759685697
BaseRepresentation
bin10011110100011101…
…10101111110011110
31000110120020211021201
421322032311332132
5133243001133141
64515505550114
7524453666452
oct117216657636
930416224251
1010640646046
114570404958
12208b64533a
131007647984
1472d28a662
15424259031
hex27a3b5f9e

10640646046 has 8 divisors (see below), whose sum is σ = 15963049440. Its totient is φ = 5319629568.

The previous prime is 10640646043. The next prime is 10640646059. The reversal of 10640646046 is 64064604601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×106406460462 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10640645996 and 10640646014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10640646043) 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, 327331 + ... + 358366.

It is an arithmetic number, because the mean of its divisors is an integer number (1995381180).

Almost surely, 210640646046 is an apocalyptic number.

10640646046 is a deficient number, since it is larger than the sum of its proper divisors (5322403394).

10640646046 is an equidigital number, since it uses as much as digits as its factorization.

10640646046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693458.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 10640646046 in words is "ten billion, six hundred forty million, six hundred forty-six thousand, forty-six".

Divisors: 1 2 7759 15518 685697 1371394 5320323023 10640646046