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20075293802 = 210037646901
BaseRepresentation
bin10010101100100101…
…001010110001101010
31220211002012120221002
4102230211022301222
5312103233400202
613120015115002
71310325116234
oct225445126152
956732176832
1020075293802
118571a86403
123a83212a62
131b7c17ab95
14d862c5254
157c7690302
hex4ac94ac6a

20075293802 has 4 divisors (see below), whose sum is σ = 30112940706. Its totient is φ = 10037646900.

The previous prime is 20075293801. The next prime is 20075293841. The reversal of 20075293802 is 20839257002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19176433441 + 898860361 = 138479^2 + 29981^2 .

It is not an unprimeable number, because it can be changed into a prime (20075293801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5018823449 + ... + 5018823452.

Almost surely, 220075293802 is an apocalyptic number.

20075293802 is a deficient number, since it is larger than the sum of its proper divisors (10037646904).

20075293802 is a wasteful number, since it uses less digits than its factorization.

20075293802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037646903.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 20075293802 in words is "twenty billion, seventy-five million, two hundred ninety-three thousand, eight hundred two".

Divisors: 1 2 10037646901 20075293802