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1407200925025 = 5272338932
BaseRepresentation
bin10100011110100011101…
…101100001010101100001
311222112020020210200120201
4110132203231201111201
5141023421414100100
62554243103305201
7203444515335400
oct24364355412541
94875206720521
101407200925025
114a28772668a5
121a88848ab201
13a291072c15c
144c174b09637
152691041736a
hex147a3b61561

1407200925025 has 27 divisors (see below), whose sum is σ = 2029875429081. Its totient is φ = 964909307040.

The previous prime is 1407200925019. The next prime is 1407200925047. The reversal of 1407200925025 is 5205290027041.

The square root of 1407200925025 is 1186255.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 22643929441 + 1384556995584 = 150479^2 + 1176672^2 .

It is not a de Polignac number, because 1407200925025 - 27 = 1407200924897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41501979 + ... + 41535871.

Almost surely, 21407200925025 is an apocalyptic number.

1407200925025 is the 1186255-th square number.

1407200925025 is the 593128-th centered octagonal number.

It is an amenable number.

1407200925025 is a deficient number, since it is larger than the sum of its proper divisors (622674504056).

1407200925025 is an frugal number, since it uses more digits than its factorization.

1407200925025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67810 (or 33905 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 1407200925025 in words is "one trillion, four hundred seven billion, two hundred million, nine hundred twenty-five thousand, twenty-five".

Divisors: 1 5 7 25 35 49 175 245 1225 33893 169465 237251 847325 1186255 1660757 5931275 8303785 41518925 1148735449 5743677245 8041148143 28718386225 40205740715 56288037001 201028703575 281440185005 1407200925025