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1301054140 = 22565052707
BaseRepresentation
bin100110110001100…
…1000001010111100
310100200011101202101
41031203020022330
510131032213030
6333034034444
744145530521
oct11543101274
93320141671
101301054140
11608458261
12303878a24
13179716a29
14c4b17148
157934c7ca
hex4d8c82bc

1301054140 has 12 divisors (see below), whose sum is σ = 2732213736. Its totient is φ = 520421648.

The previous prime is 1301054137. The next prime is 1301054191. The reversal of 1301054140 is 414501031.

It is a super-2 number, since 2×13010541402 = 3385483750422279200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32526334 + ... + 32526373.

It is an arithmetic number, because the mean of its divisors is an integer number (227684478).

Almost surely, 21301054140 is an apocalyptic number.

1301054140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301054140 is an abundant number, since it is smaller than the sum of its proper divisors (1431159596).

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

1301054140 is a wasteful number, since it uses less digits than its factorization.

1301054140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65052716 (or 65052714 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1301054140 is about 36070.1280840532. The cubic root of 1301054140 is about 1091.6877984631.

Adding to 1301054140 its reverse (414501031), we get a palindrome (1715555171).

The spelling of 1301054140 in words is "one billion, three hundred one million, fifty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 65052707 130105414 260210828 325263535 650527070 1301054140