Base | Representation |
---|---|
bin | 111000101010000001… |
… | …0101000100101101011 |
3 | 102122001022210200201110 |
4 | 1301110002220211223 |
5 | 3443134234422341 |
6 | 131521034121403 |
7 | 11535033645243 |
oct | 1612402504553 |
9 | 378038720643 |
10 | 121669060971 |
11 | 47666016357 |
12 | 1b6b6880263 |
13 | b61cc20403 |
14 | 5c62c96b23 |
15 | 3271797216 |
hex | 1c540a896b |
121669060971 has 16 divisors (see below), whose sum is σ = 163388332800. Its totient is φ = 80531743200.
The previous prime is 121669060967. The next prime is 121669060973. The reversal of 121669060971 is 179060966121.
It is a happy number.
It is not a de Polignac number, because 121669060971 - 22 = 121669060967 is a prime.
It is a super-3 number, since 3×1216690609713 (a number of 34 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 121669060971.
It is not an unprimeable number, because it can be changed into a prime (121669060973) 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, 941946 + ... + 1063296.
It is an arithmetic number, because the mean of its divisors is an integer number (10211770800).
Almost surely, 2121669060971 is an apocalyptic number.
121669060971 is a deficient number, since it is larger than the sum of its proper divisors (41719271829).
121669060971 is a wasteful number, since it uses less digits than its factorization.
121669060971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123746.
The product of its (nonzero) digits is 244944, while the sum is 48.
The spelling of 121669060971 in words is "one hundred twenty-one billion, six hundred sixty-nine million, sixty thousand, nine hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •