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8152149505 = 53744065673
BaseRepresentation
bin1111001011110011…
…11110111000000001
3210001010201002210011
413211321332320001
5113143422241010
63424532504521
7406006061503
oct74571767001
923033632704
108152149505
113503748645
1216b617b141
139cbc15506
14574991d73
1532aa51a8a
hex1e5e7ee01

8152149505 has 8 divisors (see below), whose sum is σ = 10046973672. Its totient is φ = 6345456768.

The previous prime is 8152149457. The next prime is 8152149547. The reversal of 8152149505 is 5059412518.

It can be written as a sum of positive squares in 4 ways, for example, as 880664976 + 7271484529 = 29676^2 + 85273^2 .

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 8152149505 - 29 = 8152148993 is a prime.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 22032652 + ... + 22033021.

It is an arithmetic number, because the mean of its divisors is an integer number (1255871709).

Almost surely, 28152149505 is an apocalyptic number.

It is an amenable number.

8152149505 is a deficient number, since it is larger than the sum of its proper divisors (1894824167).

8152149505 is a wasteful number, since it uses less digits than its factorization.

8152149505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44065715.

The product of its (nonzero) digits is 72000, while the sum is 40.

The square root of 8152149505 is about 90289.2546486015. The cubic root of 8152149505 is about 2012.5995839770.

The spelling of 8152149505 in words is "eight billion, one hundred fifty-two million, one hundred forty-nine thousand, five hundred five".

Divisors: 1 5 37 185 44065673 220328365 1630429901 8152149505