Base | Representation |
---|---|
bin | 1110101011010100111… |
… | …0010000111110101111 |
3 | 220002211122220220212210 |
4 | 3222311032100332233 |
5 | 13112400010100311 |
6 | 311500241501503 |
7 | 24134322022026 |
oct | 3526516207657 |
9 | 802748826783 |
10 | 252148518831 |
11 | 97a322a1250 |
12 | 40a50041893 |
13 | 1aa15236c01 |
14 | c2bdccb8bd |
15 | 685b7673a6 |
hex | 3ab5390faf |
252148518831 has 16 divisors (see below), whose sum is σ = 372977781120. Its totient is φ = 150227159520.
The previous prime is 252148518803. The next prime is 252148518851. The reversal of 252148518831 is 138815841252.
It is not a de Polignac number, because 252148518831 - 25 = 252148518799 is a prime.
It is a super-2 number, since 2×2521485188312 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252148518851) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64751140 + ... + 64755033.
It is an arithmetic number, because the mean of its divisors is an integer number (23311111320).
Almost surely, 2252148518831 is an apocalyptic number.
252148518831 is a deficient number, since it is larger than the sum of its proper divisors (120829262289).
252148518831 is a wasteful number, since it uses less digits than its factorization.
252148518831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129506246.
The product of its digits is 614400, while the sum is 48.
The spelling of 252148518831 in words is "two hundred fifty-two billion, one hundred forty-eight million, five hundred eighteen thousand, eight hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •