Search a number
-
+
122400552420401 = 2812591454736973
BaseRepresentation
bin11011110101001010011001…
…011100101000010000110001
3121001101101012221200010020012
4123311022121130220100301
5112020402312404423101
61112154012034224305
734532101536115313
oct3365123134502061
9531341187603205
10122400552420401
1136000867957a82
121188a069425095
13533b4268a9448
14223230b2017b3
15e23dbc79bbbb
hex6f5299728431

122400552420401 has 16 divisors (see below), whose sum is σ = 122913899877888. Its totient is φ = 121887781142400.

The previous prime is 122400552420359. The next prime is 122400552420413. The reversal of 122400552420401 is 104024255004221.

It is a cyclic number.

It is not a de Polignac number, because 122400552420401 - 218 = 122400552158257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122400552420481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3310520351 + ... + 3310557323.

It is an arithmetic number, because the mean of its divisors is an integer number (7682118742368).

Almost surely, 2122400552420401 is an apocalyptic number.

It is an amenable number.

122400552420401 is a deficient number, since it is larger than the sum of its proper divisors (513347457487).

122400552420401 is a wasteful number, since it uses less digits than its factorization.

122400552420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44392.

The product of its (nonzero) digits is 25600, while the sum is 32.

The spelling of 122400552420401 in words is "one hundred twenty-two trillion, four hundred billion, five hundred fifty-two million, four hundred twenty thousand, four hundred one".

Divisors: 1 281 2591 4547 36973 728071 1277707 10389413 11781277 95797043 168116231 3310538837 26918969083 47240660911 435589154521 122400552420401