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2120425628 = 221063498689
BaseRepresentation
bin111111001100011…
…0010000010011100
312110202221210010112
41332120302002130
513320312110003
6550224025152
7103355214626
oct17630620234
95422853115
102120425628
11998a1a182
124b21621b8
1327a3bcc29
14161885c16
15c624e3d8
hex7e63209c

2120425628 has 12 divisors (see below), whose sum is σ = 3714243120. Its totient is φ = 1059213312.

The previous prime is 2120425627. The next prime is 2120425663. The reversal of 2120425628 is 8265240212.

It is a junction number, because it is equal to n+sod(n) for n = 2120425594 and 2120425603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120425621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245093 + ... + 253596.

It is an arithmetic number, because the mean of its divisors is an integer number (309520260).

Almost surely, 22120425628 is an apocalyptic number.

It is an amenable number.

2120425628 is a deficient number, since it is larger than the sum of its proper divisors (1593817492).

2120425628 is a wasteful number, since it uses less digits than its factorization.

2120425628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499756 (or 499754 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 2120425628 is about 46048.0795256436. The cubic root of 2120425628 is about 1284.7176229036.

The spelling of 2120425628 in words is "two billion, one hundred twenty million, four hundred twenty-five thousand, six hundred twenty-eight".

Divisors: 1 2 4 1063 2126 4252 498689 997378 1994756 530106407 1060212814 2120425628