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123021203132 = 2257153862173
BaseRepresentation
bin111001010010010100…
…0101001011010111100
3102202112120002122001202
41302210220221122330
54003421412000012
6132303135155032
711613402654542
oct1624450513274
9382476078052
10123021203132
114819a297813
121ba13675a78
13b7a70b3829
145d506abd92
153300336cc2
hex1ca4a296bc

123021203132 has 12 divisors (see below), whose sum is σ = 215664144696. Its totient is φ = 61402876080.

The previous prime is 123021203113. The next prime is 123021203141. The reversal of 123021203132 is 231302120321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26928803 + ... + 26933370.

It is an arithmetic number, because the mean of its divisors is an integer number (17972012058).

Almost surely, 2123021203132 is an apocalyptic number.

It is an amenable number.

123021203132 is a deficient number, since it is larger than the sum of its proper divisors (92642941564).

123021203132 is a wasteful number, since it uses less digits than its factorization.

123021203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53862748 (or 53862746 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123021203132 its reverse (231302120321), we get a palindrome (354323323453).

The spelling of 123021203132 in words is "one hundred twenty-three billion, twenty-one million, two hundred three thousand, one hundred thirty-two".

Divisors: 1 2 4 571 1142 2284 53862173 107724346 215448692 30755300783 61510601566 123021203132