Search a number
-
+
10121065005 = 351739690451
BaseRepresentation
bin10010110110100001…
…10011001000101101
3222010100120101002110
421123100303020231
5131211443040010
64352145314233
7505544430102
oct113320631055
928110511073
1010121065005
114324093a37
121b65635979
13c53ac807c
146c0278aa9
153e3824120
hex25b43322d

10121065005 has 16 divisors (see below), whose sum is σ = 17146275264. Its totient is φ = 5080377600.

The previous prime is 10121064973. The next prime is 10121065021. The reversal of 10121065005 is 50056012101.

It is not a de Polignac number, because 10121065005 - 25 = 10121064973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19844971 + ... + 19845480.

It is an arithmetic number, because the mean of its divisors is an integer number (1071642204).

Almost surely, 210121065005 is an apocalyptic number.

10121065005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10121065005 is a deficient number, since it is larger than the sum of its proper divisors (7025210259).

10121065005 is a wasteful number, since it uses less digits than its factorization.

10121065005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39690476.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 10121065005 its reverse (50056012101), we get a palindrome (60177077106).

The spelling of 10121065005 in words is "ten billion, one hundred twenty-one million, sixty-five thousand, five".

Divisors: 1 3 5 15 17 51 85 255 39690451 119071353 198452255 595356765 674737667 2024213001 3373688335 10121065005