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13923122685 = 352645935081
BaseRepresentation
bin11001111011110000…
…11111110111111101
31022221022210220201120
430331320133313331
5212003304411220
610221324501153
71002012406263
oct147570376775
938838726646
1013923122685
1159a527016a
1228469aa7b9
13140b702c44
149611c4433
155674e9a40
hex33de1fdfd

13923122685 has 16 divisors (see below), whose sum is σ = 22278473280. Its totient is φ = 7425173120.

The previous prime is 13923122671. The next prime is 13923122687. The reversal of 13923122685 is 58622132931.

It is not a de Polignac number, because 13923122685 - 217 = 13922991613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13923122687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379345 + ... + 414425.

It is an arithmetic number, because the mean of its divisors is an integer number (1392404580).

Almost surely, 213923122685 is an apocalyptic number.

13923122685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13923122685 is a deficient number, since it is larger than the sum of its proper divisors (8355350595).

13923122685 is a wasteful number, since it uses less digits than its factorization.

13923122685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61548.

The product of its digits is 155520, while the sum is 42.

The spelling of 13923122685 in words is "thirteen billion, nine hundred twenty-three million, one hundred twenty-two thousand, six hundred eighty-five".

Divisors: 1 3 5 15 26459 35081 79377 105243 132295 175405 396885 526215 928208179 2784624537 4641040895 13923122685