Base | Representation |
---|---|
bin | 1110101100000000011… |
… | …0011111101111101100 |
3 | 220010022101100112020110 |
4 | 3223000012133233230 |
5 | 13113233221002112 |
6 | 311530321420020 |
7 | 24141666244026 |
oct | 3530006375754 |
9 | 803271315213 |
10 | 252331031532 |
11 | 9801631a798 |
12 | 40aa119a610 |
13 | 1aa43caa6a8 |
14 | c2da23b016 |
15 | 686c7ba13c |
hex | 3ac019fbec |
252331031532 has 96 divisors (see below), whose sum is σ = 608052436992. Its totient is φ = 81394177536.
The previous prime is 252331031521. The next prime is 252331031543. The reversal of 252331031532 is 235130133252.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (252331031521) and next prime (252331031543).
It is a self number, because there is not a number n which added to its sum of digits gives 252331031532.
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, 56158678 + ... + 56163170.
It is an arithmetic number, because the mean of its divisors is an integer number (6333879552).
Almost surely, 2252331031532 is an apocalyptic number.
It is an amenable number.
252331031532 is an abundant number, since it is smaller than the sum of its proper divisors (355721405460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252331031532 is a wasteful number, since it uses less digits than its factorization.
252331031532 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5527 (or 5525 counting only the distinct ones).
The product of its (nonzero) digits is 16200, while the sum is 30.
Adding to 252331031532 its reverse (235130133252), we get a palindrome (487461164784).
The spelling of 252331031532 in words is "two hundred fifty-two billion, three hundred thirty-one million, thirty-one thousand, five hundred thirty-two".
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