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2152350815 = 5430470163
BaseRepresentation
bin1000000001001010…
…0100010001011111
312120000000202020212
42000102210101133
513402000211230
6553324203035
7104223452156
oct20022442137
95500022225
102152350815
11a04a4502a
1250099947b
13283bba284
14165bd659d
15c8e58895
hex804a445f

2152350815 has 4 divisors (see below), whose sum is σ = 2582820984. Its totient is φ = 1721880648.

The previous prime is 2152350769. The next prime is 2152350847. The reversal of 2152350815 is 5180532512.

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

It is a cyclic number.

It is not a de Polignac number, because 2152350815 - 28 = 2152350559 is a prime.

It is a super-2 number, since 2×21523508152 = 9265228061662328450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 215235077 + ... + 215235086.

It is an arithmetic number, because the mean of its divisors is an integer number (645705246).

Almost surely, 22152350815 is an apocalyptic number.

2152350815 is a deficient number, since it is larger than the sum of its proper divisors (430470169).

2152350815 is an equidigital number, since it uses as much as digits as its factorization.

2152350815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430470168.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 2152350815 is about 46393.4350420402. The cubic root of 2152350815 is about 1291.1331139294.

The spelling of 2152350815 in words is "two billion, one hundred fifty-two million, three hundred fifty thousand, eight hundred fifteen".

Divisors: 1 5 430470163 2152350815