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20625452602 = 2101102106201
BaseRepresentation
bin10011001101010111…
…110110111000111010
31222020102102112220221
4103031113312320322
5314220103440402
613250351010254
71330055311606
oct231527667072
958212375827
1020625452602
1188245918a7
123bb750998a
131c39145731
14dd93b6506
1580ab15337
hex4cd5f6e3a

20625452602 has 8 divisors (see below), whose sum is σ = 31244497812. Its totient is φ = 10210620000.

The previous prime is 20625452567. The next prime is 20625452609.

20625452602 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 14820384121 + 5805068481 = 121739^2 + 76191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20625452609) 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, 51052899 + ... + 51053302.

Almost surely, 220625452602 is an apocalyptic number.

20625452602 is a deficient number, since it is larger than the sum of its proper divisors (10619045210).

20625452602 is a wasteful number, since it uses less digits than its factorization.

20625452602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102106304.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 20625452602 in words is "twenty billion, six hundred twenty-five million, four hundred fifty-two thousand, six hundred two".

Divisors: 1 2 101 202 102106201 204212402 10312726301 20625452602