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13902142188 = 22311105319259
BaseRepresentation
bin11001111001010000…
…11101101011101100
31022212212022222220010
430330220131223230
5211432422022223
610215255053220
71001336154534
oct147450355354
938785288803
1013902142188
115994440210
12283b971210
13140726844c
1495c4c24c4
15565753393
hex33ca1daec

13902142188 has 24 divisors (see below), whose sum is σ = 35387271360. Its totient is φ = 4212770320.

The previous prime is 13902142181. The next prime is 13902142193. The reversal of 13902142188 is 88124120931.

It is not an unprimeable number, because it can be changed into a prime (13902142181) 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 7 ways as a sum of consecutive naturals, for example, 52659498 + ... + 52659761.

It is an arithmetic number, because the mean of its divisors is an integer number (1474469640).

Almost surely, 213902142188 is an apocalyptic number.

It is an amenable number.

13902142188 is an abundant number, since it is smaller than the sum of its proper divisors (21485129172).

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

13902142188 is a wasteful number, since it uses less digits than its factorization.

13902142188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105319277 (or 105319275 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 13902142188 in words is "thirteen billion, nine hundred two million, one hundred forty-two thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 105319259 210638518 315957777 421277036 631915554 1158511849 1263831108 2317023698 3475535547 4634047396 6951071094 13902142188