Search a number
-
+
10260660021 = 35775927591
BaseRepresentation
bin10011000111001010…
…10011111100110101
3222111002020112110020
421203211103330311
5132003212110041
64414053315353
7512161112463
oct114345237465
928432215406
1010260660021
114395969817
121ba4335b59
13c769c2c81
146d4a15833
15400bea866
hex263953f35

10260660021 has 8 divisors (see below), whose sum is σ = 13704592704. Its totient is φ = 6828583680.

The previous prime is 10260659987. The next prime is 10260660031. The reversal of 10260660021 is 12006606201.

10260660021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-10260660021 is a prime.

It is a super-2 number, since 2×102606600212 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10260659973 and 10260660000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10260660031) 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 7 ways as a sum of consecutive naturals, for example, 2962065 + ... + 2965526.

It is an arithmetic number, because the mean of its divisors is an integer number (1713074088).

Almost surely, 210260660021 is an apocalyptic number.

It is an amenable number.

10260660021 is a deficient number, since it is larger than the sum of its proper divisors (3443932683).

10260660021 is an equidigital number, since it uses as much as digits as its factorization.

10260660021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928171.

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 10260660021 in words is "ten billion, two hundred sixty million, six hundred sixty thousand, twenty-one".

Divisors: 1 3 577 1731 5927591 17782773 3420220007 10260660021