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2007874830025 = 52167216972
BaseRepresentation
bin11101001101111110101…
…010100111111011001001
321002221200020201122221101
4131031332222213323021
5230344111424030100
64134223245541401
7265031003312131
oct35157652477311
97087606648841
102007874830025
11704597aa6179
12285181274861
13117459b902cc
146d278693ac1
153736950086a
hex1d37eaa7ec9

2007874830025 has 27 divisors (see below), whose sum is σ = 2506239698869. Its totient is φ = 1595740417280.

The previous prime is 2007874829977. The next prime is 2007874830029. The reversal of 2007874830025 is 5200384787002.

The square root of 2007874830025 is 1416995.

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 378300033721 + 1629574796304 = 615061^2 + 1276548^2 .

It is not a de Polignac number, because 2007874830025 - 27 = 2007874829897 is a prime.

It is a super-2 number, since 2×20078748300252 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2007874830029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1183189977 + ... + 1183191673.

Almost surely, 22007874830025 is an apocalyptic number.

2007874830025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2007874830025 is the 1416995-th square number.

2007874830025 is the 708498-th centered octagonal number.

It is an amenable number.

2007874830025 is a deficient number, since it is larger than the sum of its proper divisors (498364868844).

2007874830025 is an frugal number, since it uses more digits than its factorization.

2007874830025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738 (or 1869 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 2007874830025 in words is "two trillion, seven billion, eight hundred seventy-four million, eight hundred thirty thousand, twenty-five".

Divisors: 1 5 25 167 835 1697 4175 8485 27889 42425 139445 283399 697225 1416995 2879809 7084975 14399045 47327633 71995225 236638165 480928103 1183190825 2404640515 12023202575 80314993201 401574966005 2007874830025