Search a number
-
+
10122000007 = 729431159583
BaseRepresentation
bin10010110110101000…
…10111011010000111
3222010102022212200011
421123110113122013
5131212213000012
64352221331051
7505555403050
oct113324273207
928112285604
1010122000007
114324672469
121b65a06a87
13c54064822
146c043d727
153e395b1a7
hex25b517687

10122000007 has 16 divisors (see below), whose sum is σ = 12245207040. Its totient is φ = 8182010592.

The previous prime is 10122000001. The next prime is 10122000023. The reversal of 10122000007 is 70000022101.

It is a de Polignac number, because none of the positive numbers 2k-10122000007 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 (10122000001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571063 + ... + 588520.

It is an arithmetic number, because the mean of its divisors is an integer number (765325440).

Almost surely, 210122000007 is an apocalyptic number.

10122000007 is a deficient number, since it is larger than the sum of its proper divisors (2123207033).

10122000007 is a wasteful number, since it uses less digits than its factorization.

10122000007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159662.

The product of its (nonzero) digits is 28, while the sum is 13.

Adding to 10122000007 its reverse (70000022101), we get a palindrome (80122022108).

The spelling of 10122000007 in words is "ten billion, one hundred twenty-two million, seven", and thus it is an aban number.

Divisors: 1 7 29 43 203 301 1247 8729 1159583 8117081 33627907 49862069 235395349 349034483 1446000001 10122000007