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1372145013 = 32757201401
BaseRepresentation
bin101000111001001…
…0100010101110101
310112121221012002200
41101302110111311
510302232120023
6344053455113
746001016531
oct12162242565
93477835080
101372145013
116445a3948
12323641499
1318b377c35
14d0340bc1
15806e1743
hex51c94575

1372145013 has 12 divisors (see below), whose sum is σ = 1984615308. Its totient is φ = 913550400.

The previous prime is 1372144967. The next prime is 1372145051. The reversal of 1372145013 is 3105412731.

1372145013 is a `hidden beast` number, since 137 + 21 + 4 + 501 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 515880369 + 856264644 = 22713^2 + 29262^2 .

It is not a de Polignac number, because 1372145013 - 28 = 1372144757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372145053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93888 + ... + 107513.

It is an arithmetic number, because the mean of its divisors is an integer number (165384609).

Almost surely, 21372145013 is an apocalyptic number.

It is an amenable number.

1372145013 is a deficient number, since it is larger than the sum of its proper divisors (612470295).

1372145013 is a wasteful number, since it uses less digits than its factorization.

1372145013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202164 (or 202161 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1372145013 is about 37042.4757946874. The cubic root of 1372145013 is about 1111.2198836021.

Adding to 1372145013 its reverse (3105412731), we get a palindrome (4477557744).

The spelling of 1372145013 in words is "one billion, three hundred seventy-two million, one hundred forty-five thousand, thirteen".

Divisors: 1 3 9 757 2271 6813 201401 604203 1812609 152460557 457381671 1372145013