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10275087901 = 13790391377
BaseRepresentation
bin10011001000111000…
…10110011000011101
3222112002101112210011
421210130112120131
5132020410303101
64415330443221
7512424543331
oct114434263035
928462345704
1010275087901
1143a3023691
121ba9133511
13c799a5090
146d68cd7c1
154020ea751
hex26471661d

10275087901 has 4 divisors (see below), whose sum is σ = 11065479292. Its totient is φ = 9484696512.

The previous prime is 10275087883. The next prime is 10275087943. The reversal of 10275087901 is 10978057201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10978057201 = 41292658769.

It can be written as a sum of positive squares in 2 ways, for example, as 1486025401 + 8789062500 = 38549^2 + 93750^2 .

It is a cyclic number.

It is not a de Polignac number, because 10275087901 - 231 = 8127604253 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 (10275087001) 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, 395195676 + ... + 395195701.

It is an arithmetic number, because the mean of its divisors is an integer number (2766369823).

Almost surely, 210275087901 is an apocalyptic number.

It is an amenable number.

10275087901 is a deficient number, since it is larger than the sum of its proper divisors (790391391).

10275087901 is an equidigital number, since it uses as much as digits as its factorization.

10275087901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790391390.

The product of its (nonzero) digits is 35280, while the sum is 40.

The spelling of 10275087901 in words is "ten billion, two hundred seventy-five million, eighty-seven thousand, nine hundred one".

Divisors: 1 13 790391377 10275087901