Base | Representation |
---|---|
bin | 10001100101110101011… |
… | …011101101010101011111 |
3 | 11021120021020211221010220 |
4 | 101211311123231111133 |
5 | 124301214114224111 |
6 | 2323201335332423 |
7 | 153223402346310 |
oct | 21456533552537 |
9 | 4246236757126 |
10 | 1208856008031 |
11 | 426744779aa1 |
12 | 17634b521113 |
13 | 89cc1290949 |
14 | 4271a77a607 |
15 | 216a2422e06 |
hex | 119756ed55f |
1208856008031 has 64 divisors (see below), whose sum is σ = 1961083146240. Its totient is φ = 646594744320.
The previous prime is 1208856008029. The next prime is 1208856008053. The reversal of 1208856008031 is 1308006588021.
It is not a de Polignac number, because 1208856008031 - 21 = 1208856008029 is a prime.
It is a super-2 number, since 2×12088560080312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1208856008021) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70041555 + ... + 70058811.
It is an arithmetic number, because the mean of its divisors is an integer number (30641924160).
Almost surely, 21208856008031 is an apocalyptic number.
1208856008031 is a deficient number, since it is larger than the sum of its proper divisors (752227138209).
1208856008031 is a wasteful number, since it uses less digits than its factorization.
1208856008031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18344.
The product of its (nonzero) digits is 92160, while the sum is 42.
The spelling of 1208856008031 in words is "one trillion, two hundred eight billion, eight hundred fifty-six million, eight thousand, thirty-one".
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