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13440644030 = 2511122187673
BaseRepresentation
bin11001000010001111…
…11111001110111110
31021200200221110102202
430201013333032332
5210011301102110
610101411351502
7654033406052
oct144107771676
937620843382
1013440644030
115777990880
1227312b2592
131362774008
149170adc62
15539e930a5
hex3211ff3be

13440644030 has 16 divisors (see below), whose sum is σ = 26392537584. Its totient is φ = 4887506880.

The previous prime is 13440644027. The next prime is 13440644051. The reversal of 13440644030 is 3044604431.

It is a junction number, because it is equal to n+sod(n) for n = 13440643984 and 13440644002.

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, 61093727 + ... + 61093946.

It is an arithmetic number, because the mean of its divisors is an integer number (1649533599).

Almost surely, 213440644030 is an apocalyptic number.

13440644030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13440644030 is a deficient number, since it is larger than the sum of its proper divisors (12951893554).

13440644030 is a wasteful number, since it uses less digits than its factorization.

13440644030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122187691.

The product of its (nonzero) digits is 13824, while the sum is 29.

The spelling of 13440644030 in words is "thirteen billion, four hundred forty million, six hundred forty-four thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 122187673 244375346 610938365 1221876730 1344064403 2688128806 6720322015 13440644030