Search a number
-
+
123220123330 = 2529971437587
BaseRepresentation
bin111001011000001111…
…1011101111011000010
3102210001102101211021111
41302300133131323002
54004323322421310
6132335002513534
711621336524033
oct1626037357302
9383042354244
10123220123330
1148291602477
121ba6a2058aa
13b8093804a5
145d6cc8ca8a
153312a2b28a
hex1cb07ddec2

123220123330 has 32 divisors (see below), whose sum is σ = 229681189440. Its totient is φ = 47539343040.

The previous prime is 123220123267. The next prime is 123220123339. The reversal of 123220123330 is 33321022321.

It is not an unprimeable number, because it can be changed into a prime (123220123339) 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, 62797 + ... + 500383.

It is an arithmetic number, because the mean of its divisors is an integer number (7177537170).

Almost surely, 2123220123330 is an apocalyptic number.

123220123330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123220123330 is a deficient number, since it is larger than the sum of its proper divisors (106461066110).

123220123330 is a wasteful number, since it uses less digits than its factorization.

123220123330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438594.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123220123330 its reverse (33321022321), we get a palindrome (156541145651).

The spelling of 123220123330 in words is "one hundred twenty-three billion, two hundred twenty million, one hundred twenty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 971 1942 4855 9710 28159 56318 140795 281590 437587 875174 2187935 4375870 12690023 25380046 63450115 126900230 424896977 849793954 2124484885 4248969770 12322012333 24644024666 61610061665 123220123330