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20073329387 = 49987745869
BaseRepresentation
bin10010101100011101…
…101011001011101011
31220210221111210020222
4102230131223023223
5312102233020022
613115505040255
71310302325126
oct225435531353
956727453228
1020073329387
118570964521
123a8262608b
131b7b9409c7
14d85d333bd
157c7403242
hex4ac76b2eb

20073329387 has 8 divisors (see below), whose sum is σ = 20136930000. Its totient is φ = 20009823264.

The previous prime is 20073329329. The next prime is 20073329407. The reversal of 20073329387 is 78392337002.

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

It is a cyclic number.

It is not a de Polignac number, because 20073329387 - 222 = 20069135083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20073329317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414689 + ... + 460557.

It is an arithmetic number, because the mean of its divisors is an integer number (2517116250).

Almost surely, 220073329387 is an apocalyptic number.

20073329387 is a deficient number, since it is larger than the sum of its proper divisors (63600613).

20073329387 is an equidigital number, since it uses as much as digits as its factorization.

20073329387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47245.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 20073329387 in words is "twenty billion, seventy-three million, three hundred twenty-nine thousand, three hundred eighty-seven".

Divisors: 1 499 877 45869 437623 22888631 40227113 20073329387