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13440650244 = 2237199804059
BaseRepresentation
bin11001000010010000…
…00000110000000100
31021200200221202221220
430201020000300010
5210011301301434
610101411440340
7654033433140
oct144110006004
937620852856
1013440650244
11577799550a
1227312b60b0
131362776aa8
149170b2220
15539e94d49
hex321200c04

13440650244 has 48 divisors (see below), whose sum is σ = 36021888000. Its totient is φ = 3820883616.

The previous prime is 13440650233. The next prime is 13440650257. The reversal of 13440650244 is 44205604431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385314 + ... + 418745.

It is an arithmetic number, because the mean of its divisors is an integer number (750456000).

Almost surely, 213440650244 is an apocalyptic number.

13440650244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13440650244 is an abundant number, since it is smaller than the sum of its proper divisors (22581237756).

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

13440650244 is a wasteful number, since it uses less digits than its factorization.

13440650244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804272 (or 804270 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 13440650244 in words is "thirteen billion, four hundred forty million, six hundred fifty thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 199 398 597 796 1194 1393 2388 2786 4179 5572 8358 16716 804059 1608118 2412177 3216236 4824354 5628413 9648708 11256826 16885239 22513652 33770478 67540956 160007741 320015482 480023223 640030964 960046446 1120054187 1920092892 2240108374 3360162561 4480216748 6720325122 13440650244