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123023210132 = 225313733712569
BaseRepresentation
bin111001010010011000…
…0010011011010010100
3102202112200212121011002
41302210300103122110
54003422420211012
6132303250202432
711613426014054
oct1624460233224
9382480777132
10123023210132
11481a0438699
121ba14283418
13b7a76371c4
145d50a71564
1533005d17c2
hex1ca4c13694

123023210132 has 48 divisors (see below), whose sum is σ = 221627100240. Its totient is φ = 59727962112.

The previous prime is 123023210077. The next prime is 123023210159. The reversal of 123023210132 is 231012320321.

It can be written as a sum of positive squares in 8 ways, for example, as 17499585796 + 105523624336 = 132286^2 + 324844^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9781544 + ... + 9794112.

It is an arithmetic number, because the mean of its divisors is an integer number (4617231255).

Almost surely, 2123023210132 is an apocalyptic number.

It is an amenable number.

123023210132 is a deficient number, since it is larger than the sum of its proper divisors (98603890108).

123023210132 is a wasteful number, since it uses less digits than its factorization.

123023210132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13100 (or 13098 counting only the distinct ones).

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

Adding to 123023210132 its reverse (231012320321), we get a palindrome (354035530453).

The spelling of 123023210132 in words is "one hundred twenty-three billion, twenty-three million, two hundred ten thousand, one hundred thirty-two".

Divisors: 1 2 4 53 106 137 212 274 337 548 674 1348 7261 12569 14522 17861 25138 29044 35722 46169 50276 71444 92338 184676 666157 1332314 1721953 2446957 2664628 3443906 4235753 4893914 6887812 8471506 9787828 16943012 91263509 182527018 224494909 365054036 448989818 580298161 897979636 1160596322 2321192644 30755802533 61511605066 123023210132