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20002200242 = 261163952461
BaseRepresentation
bin10010101000001110…
…010101101010110010
31220121222200001102012
4102220032111222302
5311431030401432
613104444322522
71305446616413
oct225016255262
956558601365
1020002200242
1185347a2102
123a62843442
131b69c9825b
14d7a6d980a
157c1052cb2
hex4a8395ab2

20002200242 has 8 divisors (see below), whose sum is σ = 30495157932. Its totient is φ = 9837147600.

The previous prime is 20002200227. The next prime is 20002200271. The reversal of 20002200242 is 24200220002.

It can be written as a sum of positive squares in 2 ways, for example, as 16760150521 + 3242049721 = 129461^2 + 56939^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81976109 + ... + 81976352.

Almost surely, 220002200242 is an apocalyptic number.

20002200242 is a deficient number, since it is larger than the sum of its proper divisors (10492957690).

20002200242 is a wasteful number, since it uses less digits than its factorization.

20002200242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163952524.

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20002200242 its reverse (24200220002), we get a palindrome (44202420244).

The spelling of 20002200242 in words is "twenty billion, two million, two hundred thousand, two hundred forty-two".

Divisors: 1 2 61 122 163952461 327904922 10001100121 20002200242