Base | Representation |
---|---|
bin | 11100111010010000… |
… | …011000101100001011 |
3 | 2222010101021100121101 |
4 | 130322100120230023 |
5 | 1002033242120120 |
6 | 22132140522231 |
7 | 2146152610366 |
oct | 347220305413 |
9 | 88111240541 |
10 | 31042145035 |
11 | 1218a533020 |
12 | 6023b50377 |
13 | 2c0926a275 |
14 | 1706a070dd |
15 | c1a38290a |
hex | 73a418b0b |
31042145035 has 32 divisors (see below), whose sum is σ = 41117932800. Its totient is φ = 22309964160.
The previous prime is 31042145011. The next prime is 31042145111. The reversal of 31042145035 is 53054124013.
It is not a de Polignac number, because 31042145035 - 215 = 31042112267 is a prime.
It is a super-2 number, since 2×310421450352 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31042144994 and 31042145012.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2459521 + ... + 2472109.
It is an arithmetic number, because the mean of its divisors is an integer number (1284935400).
Almost surely, 231042145035 is an apocalyptic number.
31042145035 is a deficient number, since it is larger than the sum of its proper divisors (10075787765).
31042145035 is a wasteful number, since it uses less digits than its factorization.
31042145035 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13131.
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 31042145035 its reverse (53054124013), we get a palindrome (84096269048).
The spelling of 31042145035 in words is "thirty-one billion, forty-two million, one hundred forty-five thousand, thirty-five".
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