Search a number
-
+
53915316252 = 22374346731963
BaseRepresentation
bin110010001101100110…
…100111000000011100
312011011110011211210220
4302031212213000130
51340404310110002
640433544201340
73616033424640
oct621546470034
9164143154726
1053915316252
1120957877106
12a548169250
135112c811c5
14287671cc20
15160848d7bc
hexc8d9a701c

53915316252 has 96 divisors (see below), whose sum is σ = 147437402112. Its totient is φ = 15013446336.

The previous prime is 53915316251. The next prime is 53915316253. The reversal of 53915316252 is 25261351935.

It is an interprime number because it is at equal distance from previous prime (53915316251) and next prime (53915316253).

It is a super-2 number, since 2×539153162522 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53915316251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1670823 + ... + 1702785.

It is an arithmetic number, because the mean of its divisors is an integer number (1535806272).

Almost surely, 253915316252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53915316252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73718701056).

53915316252 is an abundant number, since it is smaller than the sum of its proper divisors (93522085860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53915316252 is a wasteful number, since it uses less digits than its factorization.

53915316252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32487 (or 32485 counting only the distinct ones).

The product of its digits is 243000, while the sum is 42.

The spelling of 53915316252 in words is "fifty-three billion, nine hundred fifteen million, three hundred sixteen thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 43 84 86 129 172 258 301 467 516 602 903 934 1204 1401 1806 1868 2802 3269 3612 5604 6538 9807 13076 19614 20081 31963 39228 40162 60243 63926 80324 95889 120486 127852 140567 191778 223741 240972 281134 383556 421701 447482 562268 671223 843402 894964 1342446 1374409 1686804 2684892 2748818 4123227 5497636 8246454 9620863 14926721 16492908 19241726 28862589 29853442 38483452 44780163 57725178 59706884 89560326 104487047 115450356 179120652 208974094 313461141 417948188 626922282 641849003 1253844564 1283698006 1925547009 2567396012 3851094018 4492943021 7702188036 8985886042 13478829063 17971772084 26957658126 53915316252