Base | Representation |
---|---|
bin | 1100001110100010010… |
… | …11100111011111111110 |
3 | 1111011101222100212222002 |
4 | 12013101023213133332 |
5 | 23340402023424410 |
6 | 521000121422302 |
7 | 42231666136655 |
oct | 6072113473776 |
9 | 1434358325862 |
10 | 420121311230 |
11 | 152199589335 |
12 | 6950993a992 |
13 | 308041ab96a |
14 | 1649662619c |
15 | addd1287a5 |
hex | 61d12e77fe |
420121311230 has 32 divisors (see below), whose sum is σ = 764776706400. Its totient is φ = 166153946112.
The previous prime is 420121311223. The next prime is 420121311293. The reversal of 420121311230 is 32113121024.
It is a super-2 number, since 2×4201213112302 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7661 + ... + 916679.
It is an arithmetic number, because the mean of its divisors is an integer number (23899272075).
Almost surely, 2420121311230 is an apocalyptic number.
420121311230 is a deficient number, since it is larger than the sum of its proper divisors (344655395170).
420121311230 is a wasteful number, since it uses less digits than its factorization.
420121311230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 909548.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 420121311230 its reverse (32113121024), we get a palindrome (452234432254).
The spelling of 420121311230 in words is "four hundred twenty billion, one hundred twenty-one million, three hundred eleven thousand, two hundred thirty".
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