Base | Representation |
---|---|
bin | 100111111101011110… |
… | …001010111011111110 |
3 | 11002202021120011100100 |
4 | 213331132022323332 |
5 | 1200333224003210 |
6 | 31413351141530 |
7 | 3046165416402 |
oct | 477536127376 |
9 | 132667504310 |
10 | 42907250430 |
11 | 1721902a350 |
12 | 83956748a6 |
13 | 407a4914a5 |
14 | 211074d102 |
15 | 11b1d595c0 |
hex | 9fd78aefe |
42907250430 has 48 divisors (see below), whose sum is σ = 121700567664. Its totient is φ = 10401757440.
The previous prime is 42907250359. The next prime is 42907250461. The reversal of 42907250430 is 3405270924.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21669339 + ... + 21671318.
It is an arithmetic number, because the mean of its divisors is an integer number (2535428493).
Almost surely, 242907250430 is an apocalyptic number.
42907250430 is an abundant number, since it is smaller than the sum of its proper divisors (78793317234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42907250430 is a wasteful number, since it uses less digits than its factorization.
42907250430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43340681 (or 43340678 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
The spelling of 42907250430 in words is "forty-two billion, nine hundred seven million, two hundred fifty thousand, four hundred thirty".
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