Base | Representation |
---|---|
bin | 111000110110000010… |
… | …0010010010101100001 |
3 | 102200002102021121012122 |
4 | 1301230010102111201 |
5 | 4000000432203142 |
6 | 132025033434025 |
7 | 11551030063112 |
oct | 1615404222541 |
9 | 380072247178 |
10 | 122072147297 |
11 | 478525aa051 |
12 | 1b7a986b915 |
13 | b6855a2729 |
14 | 5ca0622209 |
15 | 3296d6a1d2 |
hex | 1c6c112561 |
122072147297 has 4 divisors (see below), whose sum is σ = 122075791536. Its totient is φ = 122068503060.
The previous prime is 122072147279. The next prime is 122072147317. The reversal of 122072147297 is 792741270221.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 122072147297 - 236 = 53352670561 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122072147597) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1771403 + ... + 1839024.
It is an arithmetic number, because the mean of its divisors is an integer number (30518947884).
Almost surely, 2122072147297 is an apocalyptic number.
It is an amenable number.
122072147297 is a deficient number, since it is larger than the sum of its proper divisors (3644239).
122072147297 is an equidigital number, since it uses as much as digits as its factorization.
122072147297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3644238.
The product of its (nonzero) digits is 197568, while the sum is 44.
The spelling of 122072147297 in words is "one hundred twenty-two billion, seventy-two million, one hundred forty-seven thousand, two hundred ninety-seven".
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