Search a number
-
+
69421347164961 = 3211701225728939
BaseRepresentation
bin11111100100011011010101…
…01111001101001100100001
3100002210121122001020001110200
433302031222233031030201
533044344404333234321
6403351420541015413
720423345461501401
oct1762155257151441
9302717561201420
1069421347164961
1120135478733620
1279523a4854569
132c97535893c6c
141320022784801
15805c1dcedd26
hex3f236abcd321

69421347164961 has 12 divisors (see below), whose sum is σ = 109391213714640. Its totient is φ = 42073543736280.

The previous prime is 69421347164959. The next prime is 69421347164989. The reversal of 69421347164961 is 16946174312496.

It is a happy number.

69421347164961 is a `hidden beast` number, since 6 + 9 + 4 + 2 + 13 + 471 + 64 + 96 + 1 = 666.

It is not a de Polignac number, because 69421347164961 - 21 = 69421347164959 is a prime.

It is a super-2 number, since 2×694213471649612 (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69421347164941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350612864371 + ... + 350612864568.

It is an arithmetic number, because the mean of its divisors is an integer number (9115934476220).

Almost surely, 269421347164961 is an apocalyptic number.

It is an amenable number.

69421347164961 is a deficient number, since it is larger than the sum of its proper divisors (39969866549679).

69421347164961 is a wasteful number, since it uses less digits than its factorization.

69421347164961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701225728956 (or 701225728953 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 69421347164961 in words is "sixty-nine trillion, four hundred twenty-one billion, three hundred forty-seven million, one hundred sixty-four thousand, nine hundred sixty-one".

Divisors: 1 3 9 11 33 99 701225728939 2103677186817 6311031560451 7713483018329 23140449054987 69421347164961