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1050312985 = 55923914897
BaseRepresentation
bin111110100110101…
…000000100011001
32201012100102112221
4332212220010121
54122340003420
6252115504041
735012340661
oct7646500431
92635312487
101050312985
11499968767
122538b8021
131397a4b97
149d6c71a1
156231dcaa
hex3e9a8119

1050312985 has 16 divisors (see below), whose sum is σ = 1287187200. Its totient is φ = 822497536.

The previous prime is 1050312983. The next prime is 1050313001. The reversal of 1050312985 is 5892130501.

It is a cyclic number.

It is not a de Polignac number, because 1050312985 - 21 = 1050312983 is a prime.

It is a super-2 number, since 2×10503129852 = 2206314732919220450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1050312985.

It is not an unprimeable number, because it can be changed into a prime (1050312983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63057 + ... + 77953.

It is an arithmetic number, because the mean of its divisors is an integer number (80449200).

Almost surely, 21050312985 is an apocalyptic number.

It is an amenable number.

1050312985 is a deficient number, since it is larger than the sum of its proper divisors (236874215).

1050312985 is a wasteful number, since it uses less digits than its factorization.

1050312985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15200.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 1050312985 is about 32408.5325955990. The cubic root of 1050312985 is about 1016.4973362468.

The spelling of 1050312985 in words is "one billion, fifty million, three hundred twelve thousand, nine hundred eighty-five".

Divisors: 1 5 59 239 295 1195 14101 14897 70505 74485 878923 3560383 4394615 17801915 210062597 1050312985