Base | Representation |
---|---|
bin | 101101111100111110011100… |
… | …011010011111000110110011 |
3 | 222111120210101111100202111210 |
4 | 231330332130122133012303 |
5 | 202442221012414132011 |
6 | 1553500304123211203 |
7 | 60366260440121031 |
oct | 5574763432370663 |
9 | 874523344322453 |
10 | 202102310302131 |
11 | 5943a121407438 |
12 | 1a800946976b03 |
13 | 88a0220b74065 |
14 | 37c9b382c5551 |
15 | 18572290106a6 |
hex | b7cf9c69f1b3 |
202102310302131 has 32 divisors (see below), whose sum is σ = 286049028916800. Its totient is φ = 126486095790080.
The previous prime is 202102310302069. The next prime is 202102310302229. The reversal of 202102310302131 is 131203013201202.
It is a cyclic number.
It is not a de Polignac number, because 202102310302131 - 27 = 202102310302003 is a prime.
It is a super-2 number, since 2×2021023103021312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 202102310302098 and 202102310302107.
It is not an unprimeable number, because it can be changed into a prime (202102310302931) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28179715 + ... + 34616483.
It is an arithmetic number, because the mean of its divisors is an integer number (8939032153650).
Almost surely, 2202102310302131 is an apocalyptic number.
202102310302131 is a deficient number, since it is larger than the sum of its proper divisors (83946718614669).
202102310302131 is a wasteful number, since it uses less digits than its factorization.
202102310302131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6438359.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 202102310302131 its reverse (131203013201202), we get a palindrome (333305323503333).
The spelling of 202102310302131 in words is "two hundred two trillion, one hundred two billion, three hundred ten million, three hundred two thousand, one hundred thirty-one".
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