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2115282801 = 31879737511
BaseRepresentation
bin111111000010100…
…1010011101110001
312110102021111111110
41332011022131301
513313003022201
6545521503533
7103263415152
oct17605123561
95412244443
102115282801
11996027305
124b04a1ba9
1327930c138
14160d07929
15c5a856d6
hex7e14a771

2115282801 has 8 divisors (see below), whose sum is σ = 2820602304. Its totient is φ = 1410075920.

The previous prime is 2115282773. The next prime is 2115282803. The reversal of 2115282801 is 1082825112.

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 2115282801 - 217 = 2115151729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2115282803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37636 + ... + 75146.

It is an arithmetic number, because the mean of its divisors is an integer number (352575288).

Almost surely, 22115282801 is an apocalyptic number.

It is an amenable number.

2115282801 is a deficient number, since it is larger than the sum of its proper divisors (705319503).

2115282801 is a wasteful number, since it uses less digits than its factorization.

2115282801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56311.

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 2115282801 is about 45992.2036980182. The cubic root of 2115282801 is about 1283.6781414666.

The spelling of 2115282801 in words is "two billion, one hundred fifteen million, two hundred eighty-two thousand, eight hundred one".

Divisors: 1 3 18797 37511 56391 112533 705094267 2115282801