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2012402431025 = 52761331875011
BaseRepresentation
bin11101010010001100100…
…010000011010000110001
321010101100210012121220022
4131102030202003100301
5230432400010243100
64140252424053225
7265251131300060
oct35221442032061
97111323177808
102012402431025
11706500788888
12286025604215
131179cbbabb5c
146d587b061d7
1537531c41e85
hex1d48c883431

2012402431025 has 24 divisors (see below), whose sum is σ = 2852328254784. Its totient is φ = 1379707358400.

The previous prime is 2012402431021. The next prime is 2012402431049. The reversal of 2012402431025 is 5201342042102.

It is not a de Polignac number, because 2012402431025 - 22 = 2012402431021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012402430985 and 2012402431003.

It is not an unprimeable number, because it can be changed into a prime (2012402431021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135770 + ... + 2010780.

It is an arithmetic number, because the mean of its divisors is an integer number (118847010616).

Almost surely, 22012402431025 is an apocalyptic number.

2012402431025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2012402431025 is a deficient number, since it is larger than the sum of its proper divisors (839925823759).

2012402431025 is a wasteful number, since it uses less digits than its factorization.

2012402431025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881161 (or 1881156 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 2012402431025 its reverse (5201342042102), we get a palindrome (7213744473127).

The spelling of 2012402431025 in words is "two trillion, twelve billion, four hundred two million, four hundred thirty-one thousand, twenty-five".

Divisors: 1 5 7 25 35 175 6133 30665 42931 153325 214655 1073275 1875011 9375055 13125077 46875275 65625385 328126925 11499442463 57497212315 80496097241 287486061575 402480486205 2012402431025