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122404361881 = 414369429587
BaseRepresentation
bin111000111111111011…
…1100101011010011001
3102200221120101211221111
41301333313211122121
54001141004040011
6132122022140321
711562202623544
oct1617767453231
9380846354844
10122404361881
1147a0308685a
121b880b816a1
13b70936c4c9
145cd27bd85b
1532b60de121
hex1c7fde5699

122404361881 has 8 divisors (see below), whose sum is σ = 128305878624. Its totient is φ = 116641704480.

The previous prime is 122404361879. The next prime is 122404361923. The reversal of 122404361881 is 188163404221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122404361881 - 21 = 122404361879 is a prime.

It is a super-2 number, since 2×1224043618812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122404361281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34713031 + ... + 34716556.

It is an arithmetic number, because the mean of its divisors is an integer number (16038234828).

Almost surely, 2122404361881 is an apocalyptic number.

It is an amenable number.

122404361881 is a deficient number, since it is larger than the sum of its proper divisors (5901516743).

122404361881 is an equidigital number, since it uses as much as digits as its factorization.

122404361881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69429671.

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 122404361881 in words is "one hundred twenty-two billion, four hundred four million, three hundred sixty-one thousand, eight hundred eighty-one".

Divisors: 1 41 43 1763 69429587 2846613067 2985472241 122404361881