Search a number
-
+
123021030133 = 1914211529903
BaseRepresentation
bin111001010010010011…
…1111111001011110101
3102202112112202211202101
41302210213333023311
54003421340431013
6132303131342101
711613401334301
oct1624447771365
9382475684671
10123021030133
114819a189841
121ba135b1931
13b7a7052b71
145d50664d01
1533003008dd
hex1ca49ff2f5

123021030133 has 8 divisors (see below), whose sum is σ = 123958941696. Its totient is φ = 122086179600.

The previous prime is 123021030131. The next prime is 123021030161. The reversal of 123021030133 is 331030120321.

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 123021030133 - 21 = 123021030131 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 123021030133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123021030131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684541 + ... + 845362.

It is an arithmetic number, because the mean of its divisors is an integer number (15494867712).

Almost surely, 2123021030133 is an apocalyptic number.

It is an amenable number.

123021030133 is a deficient number, since it is larger than the sum of its proper divisors (937911563).

123021030133 is a wasteful number, since it uses less digits than its factorization.

123021030133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530515.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123021030133 its reverse (331030120321), we get a palindrome (454051150454).

The spelling of 123021030133 in words is "one hundred twenty-three billion, twenty-one million, thirty thousand, one hundred thirty-three".

Divisors: 1 191 421 80411 1529903 292211473 644089163 123021030133