Base | Representation |
---|---|
bin | 11011111001001111010000… |
… | …00011100110011011011101 |
3 | 22001012002002110012202220020 |
4 | 31330213220003212123131 |
5 | 31014444434212242000 |
6 | 334243204325342353 |
7 | 15630456225315324 |
oct | 1574475003463335 |
9 | 261162073182806 |
10 | 61340321212125 |
11 | 185aa3142047aa |
12 | 6a681b95679b9 |
13 | 282c4a1442017 |
14 | 1120c5cdc50bb |
15 | 7159087adba0 |
hex | 37c9e80e66dd |
61340321212125 has 32 divisors (see below), whose sum is σ = 102079175038464. Its totient is φ = 32711991652800.
The previous prime is 61340321212123. The next prime is 61340321212147. The reversal of 61340321212125 is 52121212304316.
It is not a de Polignac number, because 61340321212125 - 21 = 61340321212123 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61340321212123) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2796442 + ... + 11423691.
It is an arithmetic number, because the mean of its divisors is an integer number (3189974219952).
Almost surely, 261340321212125 is an apocalyptic number.
It is an amenable number.
61340321212125 is a deficient number, since it is larger than the sum of its proper divisors (40738853826339).
61340321212125 is a wasteful number, since it uses less digits than its factorization.
61340321212125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14231654 (or 14231644 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 33.
The spelling of 61340321212125 in words is "sixty-one trillion, three hundred forty billion, three hundred twenty-one million, two hundred twelve thousand, one hundred twenty-five".
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