Search a number
-
+
123550154103241 = 1021290774161673
BaseRepresentation
bin11100000101111001000011…
…000011000001100111001001
3121012110021112200001110011101
4130011321003003001213021
5112143221203422300431
61114434053544101401
735011126665153145
oct3405710303014711
9535407480043141
10123550154103241
1136404365055488
1211a34a20764861
1353c2963a51ab8
142271c06152225
15e43c52b62961
hex705e430c19c9

123550154103241 has 8 divisors (see below), whose sum is σ = 123675446016584. Its totient is φ = 123424870573440.

The previous prime is 123550154103169. The next prime is 123550154103247. The reversal of 123550154103241 is 142301451055321.

It can be written as a sum of positive squares in 4 ways, for example, as 5219378883216 + 118330775220025 = 2284596^2 + 10877995^2 .

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 123550154103241 - 211 = 123550154101193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123550154103241.

It is not an unprimeable number, because it can be changed into a prime (123550154103247) 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, 27606781 + ... + 31768453.

It is an arithmetic number, because the mean of its divisors is an integer number (15459430752073).

Almost surely, 2123550154103241 is an apocalyptic number.

It is an amenable number.

123550154103241 is a deficient number, since it is larger than the sum of its proper divisors (125291913343).

123550154103241 is a wasteful number, since it uses less digits than its factorization.

123550154103241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191771.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 123550154103241 in words is "one hundred twenty-three trillion, five hundred fifty billion, one hundred fifty-four million, one hundred three thousand, two hundred forty-one".

Divisors: 1 1021 29077 4161673 29687617 4249068133 121008965821 123550154103241