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10102122001 = 37327083437
BaseRepresentation
bin10010110100010001…
…00010011000010001
3222002000220222011201
421122020202120101
5131142120401001
64350231311201
7505224422506
oct113210423021
928060828151
1010102122001
114314425864
121b5b21b501
13c4cbc4aaa
146bb9474ad
153e1d31501
hex25a222611

10102122001 has 4 divisors (see below), whose sum is σ = 10129205812. Its totient is φ = 10075038192.

The previous prime is 10102121987. The next prime is 10102122059. The reversal of 10102122001 is 10022120101.

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 6006250000 + 4095872001 = 77500^2 + 63999^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102122001 - 25 = 10102121969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10102122091) 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, 13541346 + ... + 13542091.

It is an arithmetic number, because the mean of its divisors is an integer number (2532301453).

Almost surely, 210102122001 is an apocalyptic number.

It is an amenable number.

10102122001 is a deficient number, since it is larger than the sum of its proper divisors (27083811).

10102122001 is an equidigital number, since it uses as much as digits as its factorization.

10102122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27083810.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10102122001 its reverse (10022120101), we get a palindrome (20124242102).

The spelling of 10102122001 in words is "ten billion, one hundred two million, one hundred twenty-two thousand, one".

Divisors: 1 373 27083437 10102122001