Base | Representation |
---|---|
bin | 10001011111101111011… |
… | …001001011110001011111 |
3 | 11020221101012120200000211 |
4 | 101133233121023301133 |
5 | 124144313412411111 |
6 | 2320200135433251 |
7 | 152602263231211 |
oct | 21375731136137 |
9 | 4227335520024 |
10 | 1202312232031 |
11 | 423996a02259 |
12 | 175023b25827 |
13 | 894ba653641 |
14 | 4229965c5b1 |
15 | 2141cbc6521 |
hex | 117ef64bc5f |
1202312232031 has 16 divisors (see below), whose sum is σ = 1277631014400. Its totient is φ = 1127509746048.
The previous prime is 1202312231969. The next prime is 1202312232047. The reversal of 1202312232031 is 1302322132021.
It is a cyclic number.
It is not a de Polignac number, because 1202312232031 - 213 = 1202312223839 is a prime.
It is a super-2 number, since 2×12023122320312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1202312231993 and 1202312232011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1202312232061) 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, 6604476 + ... + 6784078.
It is an arithmetic number, because the mean of its divisors is an integer number (79851938400).
Almost surely, 21202312232031 is an apocalyptic number.
1202312232031 is a deficient number, since it is larger than the sum of its proper divisors (75318782369).
1202312232031 is a wasteful number, since it uses less digits than its factorization.
1202312232031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181038.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 1202312232031 its reverse (1302322132021), we get a palindrome (2504634364052).
The spelling of 1202312232031 in words is "one trillion, two hundred two billion, three hundred twelve million, two hundred thirty-two thousand, thirty-one".
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