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20430715322 = 210215357661
BaseRepresentation
bin10011000001110000…
…111111100110111010
31221201211222212121002
4103001300333212322
5313320230342242
613215153045002
71322202133463
oct230160774672
957654885532
1020430715322
1187346738a6
123b62256762
131c079b1984
14dbb5a3d6a
157e899a432
hex4c1c3f9ba

20430715322 has 4 divisors (see below), whose sum is σ = 30646072986. Its totient is φ = 10215357660.

The previous prime is 20430715313. The next prime is 20430715343. The reversal of 20430715322 is 22351703402.

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., 15594764641 + 4835950681 = 124879^2 + 69541^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5107678829 + ... + 5107678832.

Almost surely, 220430715322 is an apocalyptic number.

20430715322 is a deficient number, since it is larger than the sum of its proper divisors (10215357664).

20430715322 is a wasteful number, since it uses less digits than its factorization.

20430715322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215357663.

The product of its (nonzero) digits is 10080, while the sum is 29.

The spelling of 20430715322 in words is "twenty billion, four hundred thirty million, seven hundred fifteen thousand, three hundred twenty-two".

Divisors: 1 2 10215357661 20430715322