Search a number
-
+
122808643413 = 3711972926733
BaseRepresentation
bin111001001011111110…
…1110010111101010101
3102201222202010110221120
41302113331302331111
54003003003042123
6132230103234153
711605212150111
oct1622775627525
9381882113846
10122808643413
11480a0306525
121b974448959
13b77204c851
145d3037a741
1532db84b2e3
hex1c97f72f55

122808643413 has 16 divisors (see below), whose sum is σ = 166894079616. Its totient is φ = 80309526080.

The previous prime is 122808643393. The next prime is 122808643421. The reversal of 122808643413 is 314346808221.

It is a cyclic number.

It is not a de Polignac number, because 122808643413 - 25 = 122808643381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122808643493) 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, 1421406 + ... + 1505327.

It is an arithmetic number, because the mean of its divisors is an integer number (10430879976).

Almost surely, 2122808643413 is an apocalyptic number.

It is an amenable number.

122808643413 is a deficient number, since it is larger than the sum of its proper divisors (44085436203).

122808643413 is a wasteful number, since it uses less digits than its factorization.

122808643413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927004.

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 122808643413 in words is "one hundred twenty-two billion, eight hundred eight million, six hundred forty-three thousand, four hundred thirteen".

Divisors: 1 3 71 197 213 591 13987 41961 2926733 8780199 207798043 576566401 623394129 1729699203 40936214471 122808643413