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1380131502 = 231713530701
BaseRepresentation
bin101001001000011…
…0010001010101110
310120011221221111120
41102100302022232
510311303202002
6344541001410
746125632001
oct12220621256
93504857446
101380131502
11649059252
12326253266
1318cc13179
14d141d538
158126ccbc
hex524322ae

1380131502 has 16 divisors (see below), whose sum is σ = 2922631632. Its totient is φ = 432982400.

The previous prime is 1380131461. The next prime is 1380131531. The reversal of 1380131502 is 2051310831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6765249 + ... + 6765452.

It is an arithmetic number, because the mean of its divisors is an integer number (182664477).

Almost surely, 21380131502 is an apocalyptic number.

1380131502 is an abundant number, since it is smaller than the sum of its proper divisors (1542500130).

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

1380131502 is a wasteful number, since it uses less digits than its factorization.

1380131502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13530723.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1380131502 is about 37150.1211572722. The cubic root of 1380131502 is about 1113.3716441532.

The spelling of 1380131502 in words is "one billion, three hundred eighty million, one hundred thirty-one thousand, five hundred two".

Divisors: 1 2 3 6 17 34 51 102 13530701 27061402 40592103 81184206 230021917 460043834 690065751 1380131502