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431025505514525 = 5217241020220581
BaseRepresentation
bin110001000000000111111001…
…0001001010011010000011101
32002112010122011120111200111002
41202000033302021103100131
5422443410213402431100
64124414214512240045
7156534364560354335
oct14200176211232035
92075118146450432
10431025505514525
11115379988062169
1240413769840025
13156676b912515c
147861a625b40c5
1534c6e688e82d5
hex18803f225341d

431025505514525 has 6 divisors (see below), whose sum is σ = 534471626838042. Its totient is φ = 344820404411600.

The previous prime is 431025505514507. The next prime is 431025505514557. The reversal of 431025505514525 is 525415505520134.

It can be written as a sum of positive squares in 3 ways, for example, as 48060096986521 + 382965408528004 = 6932539^2 + 19569502^2 .

It is not a de Polignac number, because 431025505514525 - 212 = 431025505510429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431025505514525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8620510110266 + ... + 8620510110315.

It is an arithmetic number, because the mean of its divisors is an integer number (89078604473007).

Almost surely, 2431025505514525 is an apocalyptic number.

It is an amenable number.

431025505514525 is a deficient number, since it is larger than the sum of its proper divisors (103446121323517).

431025505514525 is a wasteful number, since it uses less digits than its factorization.

431025505514525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17241020220591 (or 17241020220586 counting only the distinct ones).

The product of its (nonzero) digits is 3000000, while the sum is 47.

The spelling of 431025505514525 in words is "four hundred thirty-one trillion, twenty-five billion, five hundred five million, five hundred fourteen thousand, five hundred twenty-five".

Divisors: 1 5 25 17241020220581 86205101102905 431025505514525