Base | Representation |
---|---|
bin | 1000010111000… |
… | …01011111000111 |
3 | 11212221221201212 |
4 | 10023201133013 |
5 | 120423121412 |
6 | 10543042035 |
7 | 1511043332 |
oct | 413413707 |
9 | 155857655 |
10 | 70129607 |
11 | 3664a459 |
12 | 1b5a031b |
13 | 116b5812 |
14 | 9457619 |
15 | 6254222 |
hex | 42e17c7 |
70129607 has 12 divisors (see below), whose sum is σ = 74895720. Its totient is φ = 65652096.
The previous prime is 70129601. The next prime is 70129613. The reversal of 70129607 is 70692107.
It is an interprime number because it is at equal distance from previous prime (70129601) and next prime (70129613).
It is not a de Polignac number, because 70129607 - 218 = 69867463 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 (70129601) 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, 65069 + ... + 66137.
It is an arithmetic number, because the mean of its divisors is an integer number (6241310).
Almost surely, 270129607 is an apocalyptic number.
70129607 is a deficient number, since it is larger than the sum of its proper divisors (4766113).
70129607 is a wasteful number, since it uses less digits than its factorization.
70129607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1330 (or 1313 counting only the distinct ones).
The product of its (nonzero) digits is 5292, while the sum is 32.
The square root of 70129607 is about 8374.3421831210. The cubic root of 70129607 is about 412.3827290758.
Subtracting 70129607 from its reverse (70692107), we obtain a square (562500 = 7502).
The spelling of 70129607 in words is "seventy million, one hundred twenty-nine thousand, six hundred seven".
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