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13889277630 = 233551441769
BaseRepresentation
bin11001110111101110…
…11000111010111110
31022211222010102001000
430323313120322332
5211421123341010
610214115231130
71001121624534
oct147367307276
938758112030
1013889277630
115988153948
1228375a84a6
1314046b2a97
1495a8d4154
155645617c0
hex33bdd8ebe

13889277630 has 32 divisors (see below), whose sum is σ = 37038074400. Its totient is φ = 3703807296.

The previous prime is 13889277599. The next prime is 13889277653. The reversal of 13889277630 is 3677298831.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 25720615 + ... + 25721154.

It is an arithmetic number, because the mean of its divisors is an integer number (1157439825).

Almost surely, 213889277630 is an apocalyptic number.

13889277630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13889277630 is an abundant number, since it is smaller than the sum of its proper divisors (23148796770).

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

13889277630 is a wasteful number, since it uses less digits than its factorization.

13889277630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51441785 (or 51441779 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 13889277630 in words is "thirteen billion, eight hundred eighty-nine million, two hundred seventy-seven thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 51441769 102883538 154325307 257208845 308650614 462975921 514417690 771626535 925951842 1388927763 1543253070 2314879605 2777855526 4629759210 6944638815 13889277630