Search a number
-
+
531225052030400 = 26527133648523709
BaseRepresentation
bin111100011001001010111100…
…0100001011010010111000000
32120122220121201020210111222212
41320302111320201122113000
51024112042401304433100
65121453230405321252
7216615513003113510
oct17062257041322700
92518817636714885
10531225052030400
111442a0308954172
124b6b6b83106228
1319a553cc640760
14952760317d840
1541635b1911635
hex1e3257885a5c0

531225052030400 has 168 divisors, whose sum is σ = 1608794638782240. Its totient is φ = 168123972464640.

The previous prime is 531225052030391. The next prime is 531225052030423. The reversal of 531225052030400 is 4030250522135.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1824116255 + ... + 1824407454.

It is an arithmetic number, because the mean of its divisors is an integer number (9576158564180).

Almost surely, 2531225052030400 is an apocalyptic number.

531225052030400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

531225052030400 is an abundant number, since it is smaller than the sum of its proper divisors (1077569586751840).

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

531225052030400 is a wasteful number, since it uses less digits than its factorization.

531225052030400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648523751 (or 3648523736 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 531225052030400 in words is "five hundred thirty-one trillion, two hundred twenty-five billion, fifty-two million, thirty thousand, four hundred".