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13912923620 = 225695646181
BaseRepresentation
bin11001111010100011…
…00101110111100100
31022220121121202020102
430331101211313210
5211443202023440
610220322123232
71001526620351
oct147521456744
938817552212
1013912923620
11599a534492
1228434b0518
1314095718ab
1495dacb628
15566682b15
hex33d465de4

13912923620 has 12 divisors (see below), whose sum is σ = 29217139644. Its totient is φ = 5565169440.

The previous prime is 13912923613. The next prime is 13912923701. The reversal of 13912923620 is 2632921931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2222556736 + 11690366884 = 47144^2 + 108122^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347823071 + ... + 347823110.

It is an arithmetic number, because the mean of its divisors is an integer number (2434761637).

Almost surely, 213912923620 is an apocalyptic number.

13912923620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13912923620 is an abundant number, since it is smaller than the sum of its proper divisors (15304216024).

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

13912923620 is a wasteful number, since it uses less digits than its factorization.

13912923620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695646190 (or 695646188 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 13912923620 in words is "thirteen billion, nine hundred twelve million, nine hundred twenty-three thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 695646181 1391292362 2782584724 3478230905 6956461810 13912923620