Search a number
-
+
122400552330031 = 277394944125019
BaseRepresentation
bin11011110101001010011001…
…011100010010001100101111
3121001101101012221111112021011
4123311022121130102030233
5112020402312344030111
61112154012032250051
734532101535260663
oct3365123134221457
9531341187445234
10122400552330031
11360008678a6098
121188a0693a0927
13533b426877281
14223230b1ba8a3
15e23dbc780021
hex6f529971232f

122400552330031 has 4 divisors (see below), whose sum is σ = 122400599229000. Its totient is φ = 122400505431064.

The previous prime is 122400552330029. The next prime is 122400552330037. The reversal of 122400552330031 is 130033255004221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122400552330031 - 21 = 122400552330029 is a prime.

It is a super-2 number, since 2×1224005523300312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122400552329975 and 122400552330002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122400552330037) 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, 19288561 + ... + 24836458.

It is an arithmetic number, because the mean of its divisors is an integer number (30600149807250).

Almost surely, 2122400552330031 is an apocalyptic number.

122400552330031 is a deficient number, since it is larger than the sum of its proper divisors (46898969).

122400552330031 is an equidigital number, since it uses as much as digits as its factorization.

122400552330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46898968.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 122400552330031 in words is "one hundred twenty-two trillion, four hundred billion, five hundred fifty-two million, three hundred thirty thousand, thirty-one".

Divisors: 1 2773949 44125019 122400552330031