Base | Representation |
---|---|
bin | 100000110010111110… |
… | …1101011101111100011 |
3 | 20201210101202002120200 |
4 | 1001211331223233203 |
5 | 2123220104124012 |
6 | 52204414240243 |
7 | 5042216234121 |
oct | 1014575535743 |
9 | 221711662520 |
10 | 70430145507 |
11 | 27961a87827 |
12 | 11796ab6083 |
13 | 68455b2217 |
14 | 35a1bc6911 |
15 | 1c7327b3dc |
hex | 1065f6bbe3 |
70430145507 has 12 divisors (see below), whose sum is σ = 104213711784. Its totient is φ = 45808224480.
The previous prime is 70430145479. The next prime is 70430145509. The reversal of 70430145507 is 70554103407.
It is a happy number.
70430145507 is a `hidden beast` number, since 7 + 0 + 4 + 3 + 0 + 145 + 507 = 666.
It is not a de Polignac number, because 70430145507 - 28 = 70430145251 is a prime.
It is a super-2 number, since 2×704301455072 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (70430145509) 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, 95433433 + ... + 95434170.
It is an arithmetic number, because the mean of its divisors is an integer number (8684475982).
Almost surely, 270430145507 is an apocalyptic number.
70430145507 is a deficient number, since it is larger than the sum of its proper divisors (33783566277).
70430145507 is a wasteful number, since it uses less digits than its factorization.
70430145507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190867650 (or 190867647 counting only the distinct ones).
The product of its (nonzero) digits is 58800, while the sum is 36.
The spelling of 70430145507 in words is "seventy billion, four hundred thirty million, one hundred forty-five thousand, five hundred seven".
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