Base | Representation |
---|---|
bin | 1100010001100110111… |
… | …10101011010110000101 |
3 | 1111022122220120002012110 |
4 | 12020303132223112011 |
5 | 23402241220144020 |
6 | 521431513011233 |
7 | 42320602612164 |
oct | 6106336532605 |
9 | 1438586502173 |
10 | 421770474885 |
11 | 15296548a401 |
12 | 698aa0b3b19 |
13 | 30a07a69246 |
14 | 165b16773db |
15 | ae87cd98e0 |
hex | 62337ab585 |
421770474885 has 32 divisors (see below), whose sum is σ = 695567030400. Its totient is φ = 218109201408.
The previous prime is 421770474823. The next prime is 421770474899. The reversal of 421770474885 is 588474077124.
It is not a de Polignac number, because 421770474885 - 29 = 421770474373 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2298160 + ... + 2474889.
It is an arithmetic number, because the mean of its divisors is an integer number (21736469700).
Almost surely, 2421770474885 is an apocalyptic number.
It is an amenable number.
421770474885 is a deficient number, since it is larger than the sum of its proper divisors (273796555515).
421770474885 is a wasteful number, since it uses less digits than its factorization.
421770474885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4773237.
The product of its (nonzero) digits is 14049280, while the sum is 57.
The spelling of 421770474885 in words is "four hundred twenty-one billion, seven hundred seventy million, four hundred seventy-four thousand, eight hundred eighty-five".
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