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13913691900 = 2235246378973
BaseRepresentation
bin11001111010101001…
…00001011011111100
31022220200001210010020
430331110201123330
5211443401120100
610220350412140
71001536300263
oct147524413374
938820053106
1013913691900
11599aa09729
122843801050
1314097804b4
1495dc4b5da
155667855a0
hex33d5216fc

13913691900 has 36 divisors (see below), whose sum is σ = 40256949432. Its totient is φ = 3710317760.

The previous prime is 13913691863. The next prime is 13913691929. The reversal of 13913691900 is 919631931.

It is a super-2 number, since 2×139136919002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 23189187 + ... + 23189786.

Almost surely, 213913691900 is an apocalyptic number.

13913691900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13913691900 is an abundant number, since it is smaller than the sum of its proper divisors (26343257532).

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

13913691900 is a wasteful number, since it uses less digits than its factorization.

13913691900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46378990 (or 46378983 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 42.

The spelling of 13913691900 in words is "thirteen billion, nine hundred thirteen million, six hundred ninety-one thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 46378973 92757946 139136919 185515892 231894865 278273838 463789730 556547676 695684595 927579460 1159474325 1391369190 2318948650 2782738380 3478422975 4637897300 6956845950 13913691900