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7072125053 = 71010303579
BaseRepresentation
bin1101001011000100…
…00001000001111101
3200020212110011202112
412211202001001331
5103440431000203
63125432103405
7340153033250
oct64542010175
920225404675
107072125053
112aaa037254
121454534b65
13889239aa6
144b1373097
152b5d146d8
hex1a588107d

7072125053 has 4 divisors (see below), whose sum is σ = 8082428640. Its totient is φ = 6061821468.

The previous prime is 7072125043. The next prime is 7072125061. The reversal of 7072125053 is 3505212707.

7072125053 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3505212707 = 13732552959.

It is a cyclic number.

It is not a de Polignac number, because 7072125053 - 24 = 7072125037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7072125023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505151783 + ... + 505151796.

It is an arithmetic number, because the mean of its divisors is an integer number (2020607160).

Almost surely, 27072125053 is an apocalyptic number.

It is an amenable number.

7072125053 is a deficient number, since it is larger than the sum of its proper divisors (1010303587).

7072125053 is a wasteful number, since it uses less digits than its factorization.

7072125053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010303586.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 7072125053 is about 84095.9276838064. The cubic root of 7072125053 is about 1919.4787586980.

The spelling of 7072125053 in words is "seven billion, seventy-two million, one hundred twenty-five thousand, fifty-three".

Divisors: 1 7 1010303579 7072125053