Search a number
-
+
123100023220120 = 2353077500580503
BaseRepresentation
bin11011111111010101110101…
…001001111110011110011000
3121010212020200021101100122201
4123333111311021332132120
5112113332321421020440
61113451211525055544
734633453221610012
oct3377256511763630
9533766607340581
10123100023220120
1136250476995671
12119817388575b4
13538c38950930b
14225810410d1b2
15e371aa16e19a
hex6ff57527e798

123100023220120 has 16 divisors (see below), whose sum is σ = 276975052245360. Its totient is φ = 49240009288032.

The previous prime is 123100023220043. The next prime is 123100023220121. The reversal of 123100023220120 is 21022320001321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123100023220121) 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, 1538750290212 + ... + 1538750290291.

It is an arithmetic number, because the mean of its divisors is an integer number (17310940765335).

Almost surely, 2123100023220120 is an apocalyptic number.

123100023220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123100023220120 is an abundant number, since it is smaller than the sum of its proper divisors (153875029025240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123100023220120 is a wasteful number, since it uses less digits than its factorization.

123100023220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077500580514 (or 3077500580510 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123100023220120 its reverse (21022320001321), we get a palindrome (144122343221441).

The spelling of 123100023220120 in words is "one hundred twenty-three trillion, one hundred billion, twenty-three million, two hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3077500580503 6155001161006 12310002322012 15387502902515 24620004644024 30775005805030 61550011610060 123100023220120