Base | Representation |
---|---|
bin | 11100111010110110… |
… | …000001111110010101 |
3 | 2222011001211201112122 |
4 | 130322312001332111 |
5 | 1002043303412321 |
6 | 22133132225325 |
7 | 2146332521330 |
oct | 347266017625 |
9 | 88131751478 |
10 | 31052013461 |
11 | 12195063347 |
12 | 602730b245 |
13 | 2c0b313c81 |
14 | 1708055617 |
15 | c1b1818ab |
hex | 73ad81f95 |
31052013461 has 16 divisors (see below), whose sum is σ = 36353863680. Its totient is φ = 25973498880.
The previous prime is 31052013457. The next prime is 31052013463. The reversal of 31052013461 is 16431025013.
It is not a de Polignac number, because 31052013461 - 22 = 31052013457 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31052013461.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31052013463) 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, 232076 + ... + 340533.
It is an arithmetic number, because the mean of its divisors is an integer number (2272116480).
Almost surely, 231052013461 is an apocalyptic number.
It is an amenable number.
31052013461 is a deficient number, since it is larger than the sum of its proper divisors (5301850219).
31052013461 is a wasteful number, since it uses less digits than its factorization.
31052013461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 572804.
The product of its (nonzero) digits is 2160, while the sum is 26.
Adding to 31052013461 its reverse (16431025013), we get a palindrome (47483038474).
The spelling of 31052013461 in words is "thirty-one billion, fifty-two million, thirteen thousand, four hundred sixty-one".
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