Search a number
-
+
13900012764 = 22311105303127
BaseRepresentation
bin11001111001000000…
…10101110011011100
31022212201022210212120
430330200111303130
5211431400402024
610215141302540
71001312105361
oct147440256334
938781283776
1013900012764
115993216360
12283b104a50
1314069a1131
1495c0ca468
15565482479
hex33c815cdc

13900012764 has 24 divisors (see below), whose sum is σ = 35381851008. Its totient is φ = 4212125040.

The previous prime is 13900012751. The next prime is 13900012769. The reversal of 13900012764 is 46721000931.

13900012764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13900012769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52651432 + ... + 52651695.

It is an arithmetic number, because the mean of its divisors is an integer number (1474243792).

Almost surely, 213900012764 is an apocalyptic number.

It is an amenable number.

13900012764 is an abundant number, since it is smaller than the sum of its proper divisors (21481838244).

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

13900012764 is a wasteful number, since it uses less digits than its factorization.

13900012764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105303145 (or 105303143 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 13900012764 in words is "thirteen billion, nine hundred million, twelve thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 105303127 210606254 315909381 421212508 631818762 1158334397 1263637524 2316668794 3475003191 4633337588 6950006382 13900012764