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13440645310 = 251399669529
BaseRepresentation
bin11001000010001111…
…11111100010111110
31021200200221112012011
430201013333202332
5210011301122220
610101411401434
7654033412561
oct144107774276
937620845164
1013440645310
115777991834
1227312b327a
131362774781
149170b04d8
15539e9365a
hex3211ff8be

13440645310 has 16 divisors (see below), whose sum is σ = 24367215600. Its totient is φ = 5337579456.

The previous prime is 13440645301. The next prime is 13440645313. The reversal of 13440645310 is 1354604431.

It is a happy number.

It is a super-2 number, since 2×134406453102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440645313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4833375 + ... + 4836154.

It is an arithmetic number, because the mean of its divisors is an integer number (1522950975).

Almost surely, 213440645310 is an apocalyptic number.

13440645310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13440645310 is a deficient number, since it is larger than the sum of its proper divisors (10926570290).

13440645310 is a wasteful number, since it uses less digits than its factorization.

13440645310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9669675.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 13440645310 in words is "thirteen billion, four hundred forty million, six hundred forty-five thousand, three hundred ten".

Divisors: 1 2 5 10 139 278 695 1390 9669529 19339058 48347645 96695290 1344064531 2688129062 6720322655 13440645310