Base | Representation |
---|---|
bin | 100000100110001010… |
… | …1010001010101110000 |
3 | 20200200102120121010111 |
4 | 1001030111101111300 |
5 | 2121330012334300 |
6 | 52054013311104 |
7 | 5025445133002 |
oct | 1011425212560 |
9 | 220612517114 |
10 | 70000121200 |
11 | 27761275139 |
12 | 11696a95494 |
13 | 67a748a879 |
14 | 3560a48372 |
15 | 1c4a6369ba |
hex | 104c551570 |
70000121200 has 60 divisors (see below), whose sum is σ = 170544026448. Its totient is φ = 27605670400.
The previous prime is 70000121161. The next prime is 70000121203. The reversal of 70000121200 is 212100007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70000121203) 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, 1203997 + ... + 1260796.
Almost surely, 270000121200 is an apocalyptic number.
It is an amenable number.
70000121200 is an abundant number, since it is smaller than the sum of its proper divisors (100543905248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70000121200 is a wasteful number, since it uses less digits than its factorization.
70000121200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2464882 (or 2464871 counting only the distinct ones).
The product of its (nonzero) digits is 28, while the sum is 13.
Adding to 70000121200 its reverse (212100007), we get a palindrome (70212221207).
The spelling of 70000121200 in words is "seventy billion, one hundred twenty-one thousand, two hundred".
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