Search a number
-
+
1206712052156 = 2213142716262089
BaseRepresentation
bin10001100011110101101…
…001001010100110111100
311021100201211121200120202
4101203311221022212330
5124232321241132111
62322204511103032
7153116310130142
oct21436551124674
94240654550522
101206712052156
11425844549236
12175a51511a78
1389a3c0527c0
1442595b2b592
15215c90c6b3b
hex118f5a4a9bc

1206712052156 has 24 divisors (see below), whose sum is σ = 2275781922960. Its totient is φ = 556553699712.

The previous prime is 1206712052149. The next prime is 1206712052159. The reversal of 1206712052156 is 6512502176021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206712052159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8056841 + ... + 8205248.

It is an arithmetic number, because the mean of its divisors is an integer number (94824246790).

Almost surely, 21206712052156 is an apocalyptic number.

It is an amenable number.

1206712052156 is a deficient number, since it is larger than the sum of its proper divisors (1069069870804).

1206712052156 is a wasteful number, since it uses less digits than its factorization.

1206712052156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16263533 (or 16263531 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 1206712052156 in words is "one trillion, two hundred six billion, seven hundred twelve million, fifty-two thousand, one hundred fifty-six".

Divisors: 1 2 4 13 26 52 1427 2854 5708 18551 37102 74204 16262089 32524178 65048356 211407157 422814314 845628628 23206001003 46412002006 92824004012 301678013039 603356026078 1206712052156