Base | Representation |
---|---|
bin | 10010101001011110… |
… | …011100111011100110 |
3 | 1220200110012000201221 |
4 | 102221132130323212 |
5 | 312001414422020 |
6 | 13110514410554 |
7 | 1306123255534 |
oct | 225136347346 |
9 | 56613160657 |
10 | 20023201510 |
11 | 8545636724 |
12 | 3a69890a5a |
13 | 1b7143c340 |
14 | d7d405154 |
15 | 7c2d006aa |
hex | 4a979cee6 |
20023201510 has 16 divisors (see below), whose sum is σ = 38814206256. Its totient is φ = 7393182048.
The previous prime is 20023201487. The next prime is 20023201567. The reversal of 20023201510 is 1510232002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77012184 + ... + 77012443.
It is an arithmetic number, because the mean of its divisors is an integer number (2425887891).
Almost surely, 220023201510 is an apocalyptic number.
20023201510 is a deficient number, since it is larger than the sum of its proper divisors (18791004746).
20023201510 is a wasteful number, since it uses less digits than its factorization.
20023201510 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154024647.
The product of its (nonzero) digits is 120, while the sum is 16.
Adding to 20023201510 its reverse (1510232002), we get a palindrome (21533433512).
The spelling of 20023201510 in words is "twenty billion, twenty-three million, two hundred one thousand, five hundred ten".
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