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13900627605 = 351914851877
BaseRepresentation
bin11001111001000101…
…01011111010010101
31022212202111001021110
430330202223322111
5211432030040410
610215202405233
71001320246044
oct147442537225
938782431243
1013900627605
1159935a6297
12283b360819
131406b57c47
1495c20a55b
15565554720
hex33c8abe95

13900627605 has 16 divisors (see below), whose sum is σ = 22357453824. Its totient is φ = 7374851520.

The previous prime is 13900627589. The next prime is 13900627607. The reversal of 13900627605 is 50672600931.

It is not a de Polignac number, because 13900627605 - 24 = 13900627589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13900627607) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2423074 + ... + 2428803.

It is an arithmetic number, because the mean of its divisors is an integer number (1397340864).

Almost surely, 213900627605 is an apocalyptic number.

13900627605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13900627605 is a deficient number, since it is larger than the sum of its proper divisors (8456826219).

13900627605 is a wasteful number, since it uses less digits than its factorization.

13900627605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852076.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 13900627605 in words is "thirteen billion, nine hundred million, six hundred twenty-seven thousand, six hundred five".

Divisors: 1 3 5 15 191 573 955 2865 4851877 14555631 24259385 72778155 926708507 2780125521 4633542535 13900627605