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13939900340 = 225696995017
BaseRepresentation
bin11001111101110000…
…11111111110110100
31022222111101022100012
430332320133332310
5212022103302330
610223124235352
71002305124602
oct147670377664
938874338305
1013939900340
115a0378a4a3
12285053bb58
131412028752
14963510872
15568c10c95
hex33ee1ffb4

13939900340 has 12 divisors (see below), whose sum is σ = 29273790756. Its totient is φ = 5575960128.

The previous prime is 13939900339. The next prime is 13939900349. The reversal of 13939900340 is 4300993931.

It can be written as a sum of positive squares in 2 ways, for example, as 1810842916 + 12129057424 = 42554^2 + 110132^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13939900349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348497489 + ... + 348497528.

It is an arithmetic number, because the mean of its divisors is an integer number (2439482563).

Almost surely, 213939900340 is an apocalyptic number.

13939900340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13939900340 is an abundant number, since it is smaller than the sum of its proper divisors (15333890416).

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

13939900340 is a wasteful number, since it uses less digits than its factorization.

13939900340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696995026 (or 696995024 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 41.

The spelling of 13939900340 in words is "thirteen billion, nine hundred thirty-nine million, nine hundred thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 696995017 1393990034 2787980068 3484975085 6969950170 13939900340