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1301138371 = 13100087567
BaseRepresentation
bin100110110001101…
…1100101111000011
310100200022200022001
41031203130233003
510131042411441
6333035524431
744146331221
oct11543345703
93320280261
101301138371
11608505575
123038b9717
13179746180
14c4b39b11
1579367731
hex4d8dcbc3

1301138371 has 4 divisors (see below), whose sum is σ = 1401225952. Its totient is φ = 1201050792.

The previous prime is 1301138339. The next prime is 1301138381. The reversal of 1301138371 is 1738311031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1301138371 - 25 = 1301138339 is a prime.

It is a super-2 number, since 2×13011383712 = 3385922120977067282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301138381) 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 3 ways as a sum of consecutive naturals, for example, 50043771 + ... + 50043796.

It is an arithmetic number, because the mean of its divisors is an integer number (350306488).

Almost surely, 21301138371 is an apocalyptic number.

1301138371 is a deficient number, since it is larger than the sum of its proper divisors (100087581).

1301138371 is a wasteful number, since it uses less digits than its factorization.

1301138371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100087580.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1301138371 is about 36071.2956656675. The cubic root of 1301138371 is about 1091.7113567885.

The spelling of 1301138371 in words is "one billion, three hundred one million, one hundred thirty-eight thousand, three hundred seventy-one".

Divisors: 1 13 100087567 1301138371