Search a number
-
+
1222053660015 = 35194287907579
BaseRepresentation
bin10001110010001000000…
…100110000010101101111
311022211100000120010011020
4101302020010300111233
5130010231214110030
62333223111025223
7154201425501636
oct21621004602557
94284300503136
101222053660015
114312a74832a1
12178a1336b213
138b3155a6c86
144320d47651d
1521bc5db8510
hex11c8813056f

1222053660015 has 16 divisors (see below), whose sum is σ = 2058195638400. Its totient is φ = 617458691232.

The previous prime is 1222053660013. The next prime is 1222053660019. The reversal of 1222053660015 is 5100663502221.

It is not a de Polignac number, because 1222053660015 - 21 = 1222053660013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222053660011) 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 15 ways as a sum of consecutive naturals, for example, 2143953505 + ... + 2143954074.

It is an arithmetic number, because the mean of its divisors is an integer number (128637227400).

Almost surely, 21222053660015 is an apocalyptic number.

1222053660015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222053660015 is a deficient number, since it is larger than the sum of its proper divisors (836141978385).

1222053660015 is a wasteful number, since it uses less digits than its factorization.

1222053660015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287907606.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 1222053660015 in words is "one trillion, two hundred twenty-two billion, fifty-three million, six hundred sixty thousand, fifteen".

Divisors: 1 3 5 15 19 57 95 285 4287907579 12863722737 21439537895 64318613685 81470244001 244410732003 407351220005 1222053660015