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2660010200245 = 519109256881719
BaseRepresentation
bin100110101101010100111…
…101101000110010110101
3100102021221200110221022101
4212231110331220302311
5322040200102401440
65353554122102101
7363115350433066
oct46552475506265
910367850427271
102660010200245
11936116458aa2
1236b64004a931
13163ab7ab07b8
1492a60ac056d
15492d641569a
hex26b54f68cb5

2660010200245 has 16 divisors (see below), whose sum is σ = 3390838704000. Its totient is φ = 1997512239168.

The previous prime is 2660010200231. The next prime is 2660010200261. The reversal of 2660010200245 is 5420020100662.

2660010200245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2660010200245 - 29 = 2660010199733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128430505 + ... + 128451214.

It is an arithmetic number, because the mean of its divisors is an integer number (211927419000).

Almost surely, 22660010200245 is an apocalyptic number.

It is an amenable number.

2660010200245 is a deficient number, since it is larger than the sum of its proper divisors (730828503755).

2660010200245 is a wasteful number, since it uses less digits than its factorization.

2660010200245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256881852.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 2660010200245 in words is "two trillion, six hundred sixty billion, ten million, two hundred thousand, two hundred forty-five".

Divisors: 1 5 19 95 109 545 2071 10355 256881719 1284408595 4880752661 24403763305 28000107371 140000536855 532002040049 2660010200245