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20238052515 = 351349203501
BaseRepresentation
bin10010110110010010…
…000010110010100011
31221020102110120220120
4102312102002302203
5312421420140030
613144111411323
71314342415362
oct226622026243
957212416816
1020238052515
11864594243a
123b09823b43
131ba6ac6205
14d9db717d9
157d6ae0010
hex4b6482ca3

20238052515 has 8 divisors (see below), whose sum is σ = 32380884048. Its totient is φ = 10793628000.

The previous prime is 20238052463. The next prime is 20238052531. The reversal of 20238052515 is 51525083202.

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

It is not a de Polignac number, because 20238052515 - 26 = 20238052451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674601736 + ... + 674601765.

It is an arithmetic number, because the mean of its divisors is an integer number (4047610506).

Almost surely, 220238052515 is an apocalyptic number.

20238052515 is a deficient number, since it is larger than the sum of its proper divisors (12142831533).

20238052515 is a wasteful number, since it uses less digits than its factorization.

20238052515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349203509.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 20238052515 in words is "twenty billion, two hundred thirty-eight million, fifty-two thousand, five hundred fifteen".

Divisors: 1 3 5 15 1349203501 4047610503 6746017505 20238052515