Base | Representation |
---|---|
bin | 10011100100011111… |
… | …00100111000001111 |
3 | 1000010020001121201001 |
4 | 21302033210320033 |
5 | 133004143323211 |
6 | 4454321201131 |
7 | 521235541306 |
oct | 116217447017 |
9 | 30106047631 |
10 | 10506620431 |
11 | 450179348a |
12 | 20527901a7 |
13 | cb594ca88 |
14 | 71955d43d |
15 | 4175d2ac1 |
hex | 2723e4e0f |
10506620431 has 2 divisors, whose sum is σ = 10506620432. Its totient is φ = 10506620430.
The previous prime is 10506620389. The next prime is 10506620441. The reversal of 10506620431 is 13402660501.
It is a strong prime.
It is an emirp because it is prime and its reverse (13402660501) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10506620431 - 29 = 10506619919 is a prime.
It is a super-2 number, since 2×105066204312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 10506620431.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10506620441) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5253310215 + 5253310216.
It is an arithmetic number, because the mean of its divisors is an integer number (5253310216).
Almost surely, 210506620431 is an apocalyptic number.
10506620431 is a deficient number, since it is larger than the sum of its proper divisors (1).
10506620431 is an equidigital number, since it uses as much as digits as its factorization.
10506620431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4320, while the sum is 28.
The spelling of 10506620431 in words is "ten billion, five hundred six million, six hundred twenty thousand, four hundred thirty-one".
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