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7825070013 = 32608356671
BaseRepresentation
bin1110100100110100…
…10001011110111101
3202012100020202001220
413102122101132331
5112011204220023
63332250223553
7364624666125
oct72232213675
922170222056
107825070013
113356058a12
121624724bb9
13979225b57
1454336dc85
1530be943e3
hex1d26917bd

7825070013 has 4 divisors (see below), whose sum is σ = 10433426688. Its totient is φ = 5216713340.

The previous prime is 7825069999. The next prime is 7825070017. The reversal of 7825070013 is 3100705287.

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: 3100705287 = 31033568429.

It is a cyclic number.

It is not a de Polignac number, because 7825070013 - 25 = 7825069981 is a prime.

It is a super-2 number, since 2×78250700132 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7825070017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304178333 + ... + 1304178338.

It is an arithmetic number, because the mean of its divisors is an integer number (2608356672).

Almost surely, 27825070013 is an apocalyptic number.

It is an amenable number.

7825070013 is a deficient number, since it is larger than the sum of its proper divisors (2608356675).

7825070013 is a wasteful number, since it uses less digits than its factorization.

7825070013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608356674.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 7825070013 is about 88459.4258007591. The cubic root of 7825070013 is about 1985.3149394862.

The spelling of 7825070013 in words is "seven billion, eight hundred twenty-five million, seventy thousand, thirteen".

Divisors: 1 3 2608356671 7825070013