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1380913902 = 23276717439
BaseRepresentation
bin101001001001111…
…0001001011101110
310120020102200202100
41102103301023232
510312003221102
6345005435530
746135401024
oct12223611356
93506380670
101380913902
11649543065
1232656bba6
13190128324
14d1584714
1581374a1c
hex524f12ee

1380913902 has 12 divisors (see below), whose sum is σ = 2991980160. Its totient is φ = 460304628.

The previous prime is 1380913883. The next prime is 1380913931. The reversal of 1380913902 is 2093190831.

1380913902 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38358702 + ... + 38358737.

It is an arithmetic number, because the mean of its divisors is an integer number (249331680).

Almost surely, 21380913902 is an apocalyptic number.

1380913902 is an abundant number, since it is smaller than the sum of its proper divisors (1611066258).

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

1380913902 is a wasteful number, since it uses less digits than its factorization.

1380913902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76717447 (or 76717444 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1380913902 is about 37160.6499135847. The cubic root of 1380913902 is about 1113.5819954651.

The spelling of 1380913902 in words is "one billion, three hundred eighty million, nine hundred thirteen thousand, nine hundred two".

Divisors: 1 2 3 6 9 18 76717439 153434878 230152317 460304634 690456951 1380913902