Search a number
-
+
6961117492993 = 61269599708223
BaseRepresentation
bin110010101001100001011…
…1011110111011100000001
3220122110212020122222002011
41211103002323313130001
51403022332034233433
622445520534252521
71315631660260366
oct145230273673401
926573766588064
106961117492993
112244214392334
129451401b7141
133b6579c40031
141a0cc423c46d
15c111bda63cd
hex654c2ef7701

6961117492993 has 16 divisors (see below), whose sum is σ = 7113401856000. Its totient is φ = 6810149436480.

The previous prime is 6961117492951. The next prime is 6961117492997. The reversal of 6961117492993 is 3992947111696.

It is a cyclic number.

It is not a de Polignac number, because 6961117492993 - 217 = 6961117361921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6961117492997) 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, 9474880 + ... + 10183102.

It is an arithmetic number, because the mean of its divisors is an integer number (444587616000).

Almost surely, 26961117492993 is an apocalyptic number.

It is an amenable number.

6961117492993 is a deficient number, since it is larger than the sum of its proper divisors (152284363007).

6961117492993 is a wasteful number, since it uses less digits than its factorization.

6961117492993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709152.

The product of its digits is 39680928, while the sum is 67.

The spelling of 6961117492993 in words is "six trillion, nine hundred sixty-one billion, one hundred seventeen million, four hundred ninety-two thousand, nine hundred ninety-three".

Divisors: 1 61 269 599 16409 36539 161131 708223 9828991 43201603 190511987 424225577 11621231207 25877760197 114116680213 6961117492993