Search a number
-
+
531132045340364 = 221385991118780777
BaseRepresentation
bin111100011000011111101000…
…0111001000010111011001100
32120122120201122110022010112022
41320300333100321002323030
51024104031412101342424
65121342405421225312
7216606011134232006
oct17060772071027314
92518521573263468
10531132045340364
11144264921013386
124b6a0b47402238
1319a496c9933b60
149522cdcc17376
154160e6b61d95e
hex1e30fd0e42ecc

531132045340364 has 24 divisors (see below), whose sum is σ = 1000991272854048. Its totient is φ = 245135014277760.

The previous prime is 531132045340357. The next prime is 531132045340399. The reversal of 531132045340364 is 463043540231135.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54918857 + ... + 63861920.

It is an arithmetic number, because the mean of its divisors is an integer number (41707969702252).

Almost surely, 2531132045340364 is an apocalyptic number.

It is an amenable number.

531132045340364 is a deficient number, since it is larger than the sum of its proper divisors (469859227513684).

531132045340364 is a wasteful number, since it uses less digits than its factorization.

531132045340364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118866785 (or 118866783 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 44.

Adding to 531132045340364 its reverse (463043540231135), we get a palindrome (994175585571499).

The spelling of 531132045340364 in words is "five hundred thirty-one trillion, one hundred thirty-two billion, forty-five million, three hundred forty thousand, three hundred sixty-four".

Divisors: 1 2 4 13 26 52 85991 171982 343964 1117883 2235766 4471532 118780777 237561554 475123108 1544150101 3088300202 6176600404 10214077795007 20428155590014 40856311180028 132783011335091 265566022670182 531132045340364