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10072155701 = 12977765733
BaseRepresentation
bin10010110000101100…
…01110011000110101
3221222221112112010202
421120112032120311
5131111432440301
64343241130245
7504411624266
oct113026163065
927887475122
1010072155701
1142a9518723
121b51189985
13c4693225a
146b798696d
153de3b266b
hex25858e635

10072155701 has 4 divisors (see below), whose sum is σ = 10079922732. Its totient is φ = 10064388672.

The previous prime is 10072155679. The next prime is 10072155703. The reversal of 10072155701 is 10755127001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7599480625 + 2472675076 = 87175^2 + 49726^2 .

It is a cyclic number.

It is not a de Polignac number, because 10072155701 - 214 = 10072139317 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 (10072155703) 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, 3881570 + ... + 3884163.

It is an arithmetic number, because the mean of its divisors is an integer number (2519980683).

Almost surely, 210072155701 is an apocalyptic number.

It is an amenable number.

10072155701 is a deficient number, since it is larger than the sum of its proper divisors (7767031).

10072155701 is an equidigital number, since it uses as much as digits as its factorization.

10072155701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767030.

The product of its (nonzero) digits is 2450, while the sum is 29.

The spelling of 10072155701 in words is "ten billion, seventy-two million, one hundred fifty-five thousand, seven hundred one".

Divisors: 1 1297 7765733 10072155701