Base | Representation |
---|---|
bin | 11111101000110010… |
… | …011100100100110111 |
3 | 10020200110010112000120 |
4 | 133220302130210313 |
5 | 1024032344400211 |
6 | 23334501343023 |
7 | 2311546603002 |
oct | 375062344467 |
9 | 106613115016 |
10 | 33970309431 |
11 | 134523992a3 |
12 | 6700707a73 |
13 | 3284abc616 |
14 | 1903870539 |
15 | d3c486d06 |
hex | 7e8c9c937 |
33970309431 has 16 divisors (see below), whose sum is σ = 45704575488. Its totient is φ = 22442040000.
The previous prime is 33970309421. The next prime is 33970309433. The reversal of 33970309431 is 13490307933.
It is not a de Polignac number, because 33970309431 - 26 = 33970309367 is a prime.
It is a super-2 number, since 2×339703094312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33970309433) 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, 162306 + ... + 307056.
It is an arithmetic number, because the mean of its divisors is an integer number (2856535968).
Almost surely, 233970309431 is an apocalyptic number.
33970309431 is a deficient number, since it is larger than the sum of its proper divisors (11734266057).
33970309431 is a wasteful number, since it uses less digits than its factorization.
33970309431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145462.
The product of its (nonzero) digits is 183708, while the sum is 42.
The spelling of 33970309431 in words is "thirty-three billion, nine hundred seventy million, three hundred nine thousand, four hundred thirty-one".
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