Base | Representation |
---|---|
bin | 101111001000000100… |
… | …0100110101010011111 |
3 | 100200012222012201201211 |
4 | 1132100020212222133 |
5 | 3124230310004211 |
6 | 114254115045251 |
7 | 10211614253155 |
oct | 1362010465237 |
9 | 320188181654 |
10 | 101202422431 |
11 | 39a13146950 |
12 | 177445a0827 |
13 | 970a9716c6 |
14 | 4c80a213d5 |
15 | 2974aa2e21 |
hex | 1790226a9f |
101202422431 has 4 divisors (see below), whose sum is σ = 110402642664. Its totient is φ = 92002202200.
The previous prime is 101202422423. The next prime is 101202422443. The reversal of 101202422431 is 134224202101.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 101202422431 - 23 = 101202422423 is a prime.
It is a super-2 number, since 2×1012024224312 (a number of 23 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101202422411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4600110100 + ... + 4600110121.
It is an arithmetic number, because the mean of its divisors is an integer number (27600660666).
Almost surely, 2101202422431 is an apocalyptic number.
101202422431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
101202422431 is a deficient number, since it is larger than the sum of its proper divisors (9200220233).
101202422431 is an equidigital number, since it uses as much as digits as its factorization.
101202422431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9200220232.
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 101202422431 its reverse (134224202101), we get a palindrome (235426624532).
The spelling of 101202422431 in words is "one hundred one billion, two hundred two million, four hundred twenty-two thousand, four hundred thirty-one".
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