Base | Representation |
---|---|
bin | 10111111001101000100… |
… | …000111001111001011100 |
3 | 12211000101211121202012020 |
4 | 113321220200321321130 |
5 | 203402144311311132 |
6 | 3254304455340140 |
7 | 226442653561260 |
oct | 27715040717134 |
9 | 5730354552166 |
10 | 1642430963292 |
11 | 5836075081a9 |
12 | 226392981650 |
13 | bbb5a815802 |
14 | 596cba980a0 |
15 | 2cacb70b52c |
hex | 17e68839e5c |
1642430963292 has 48 divisors (see below), whose sum is σ = 4637452135680. Its totient is φ = 441662107392.
The previous prime is 1642430963273. The next prime is 1642430963293. The reversal of 1642430963292 is 2923690342461.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1642430963293) 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, 575079442 + ... + 575082297.
It is an arithmetic number, because the mean of its divisors is an integer number (96613586160).
Almost surely, 21642430963292 is an apocalyptic number.
1642430963292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1642430963292 is an abundant number, since it is smaller than the sum of its proper divisors (2995021172388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1642430963292 is a wasteful number, since it uses less digits than its factorization.
1642430963292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1150161770 (or 1150161768 counting only the distinct ones).
The product of its (nonzero) digits is 3359232, while the sum is 51.
The spelling of 1642430963292 in words is "one trillion, six hundred forty-two billion, four hundred thirty million, nine hundred sixty-three thousand, two hundred ninety-two".
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