Base | Representation |
---|---|
bin | 100000101001110011… |
… | …0011110011101011101 |
3 | 20200222221001100001010 |
4 | 1001103212132131131 |
5 | 2122102222300101 |
6 | 52114051205433 |
7 | 5031455530260 |
oct | 1012346363535 |
9 | 220887040033 |
10 | 70122071901 |
11 | 27814099542 |
12 | 1170b8a6879 |
13 | 67c681864b |
14 | 3572d10cd7 |
15 | 1c561c52d6 |
hex | 105399e75d |
70122071901 has 16 divisors (see below), whose sum is σ = 106858918400. Its totient is φ = 40067416368.
The previous prime is 70122071881. The next prime is 70122071923. The reversal of 70122071901 is 10917022107.
It is a happy number.
It is not a de Polignac number, because 70122071901 - 222 = 70117877597 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70122071941) 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, 310590 + ... + 486528.
It is an arithmetic number, because the mean of its divisors is an integer number (6678682400).
Almost surely, 270122071901 is an apocalyptic number.
It is an amenable number.
70122071901 is a deficient number, since it is larger than the sum of its proper divisors (36736846499).
70122071901 is a wasteful number, since it uses less digits than its factorization.
70122071901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194928.
The product of its (nonzero) digits is 1764, while the sum is 30.
The spelling of 70122071901 in words is "seventy billion, one hundred twenty-two million, seventy-one thousand, nine hundred one".
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