Search a number
-
+
13920202988 = 223480050747
BaseRepresentation
bin11001111011011010…
…10111000011101100
31022221010022120122122
430331231113003230
5212002032443423
610221142132112
71001645526116
oct147555270354
938833276578
1013920202988
1159a365659a
122845a21038
13140ac20003
14960a643b6
1556711e8c8
hex33db570ec

13920202988 has 6 divisors (see below), whose sum is σ = 24360355236. Its totient is φ = 6960101492.

The previous prime is 13920202951. The next prime is 13920202999. The reversal of 13920202988 is 88920202931.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1740025370 + ... + 1740025377.

It is an arithmetic number, because the mean of its divisors is an integer number (4060059206).

Almost surely, 213920202988 is an apocalyptic number.

It is an amenable number.

13920202988 is a deficient number, since it is larger than the sum of its proper divisors (10440152248).

13920202988 is a wasteful number, since it uses less digits than its factorization.

13920202988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480050751 (or 3480050749 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 13920202988 in words is "thirteen billion, nine hundred twenty million, two hundred two thousand, nine hundred eighty-eight".

Divisors: 1 2 4 3480050747 6960101494 13920202988