Search a number
-
+
123020012330 = 2571173267623
BaseRepresentation
bin111001010010010010…
…0000110101100101010
3102202112110212010120222
41302210210012230222
54003421110343310
6132303053450042
711613356565035
oct1624444065452
9382473763528
10123020012330
1148199654086
121ba131a0922
13b7a6a87807
145d5047c01c
15330019e055
hex1ca4906b2a

123020012330 has 16 divisors (see below), whose sum is σ = 224554840704. Its totient is φ = 48514934160.

The previous prime is 123020012299. The next prime is 123020012351. The reversal of 123020012330 is 33210020321.

It is a junction number, because it is equal to n+sod(n) for n = 123020012299 and 123020012308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86633102 + ... + 86634521.

It is an arithmetic number, because the mean of its divisors is an integer number (14034677544).

Almost surely, 2123020012330 is an apocalyptic number.

123020012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123020012330 is a deficient number, since it is larger than the sum of its proper divisors (101534828374).

123020012330 is a wasteful number, since it uses less digits than its factorization.

123020012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173267701.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123020012330 its reverse (33210020321), we get a palindrome (156230032651).

The spelling of 123020012330 in words is "one hundred twenty-three billion, twenty million, twelve thousand, three hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 173267623 346535246 866338115 1732676230 12302001233 24604002466 61510006165 123020012330