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123031303022 = 21931710213457
BaseRepresentation
bin111001010010100111…
…1001011001101101110
3102202120021002202111202
41302211033023031232
54003432003144042
6132304135445502
711613554551355
oct1624517131556
9382507082452
10123031303022
11481a4a65a31
121ba16b26892
13b7a920b9b4
145d51b7a99c
15330117e632
hex1ca53cb36e

123031303022 has 16 divisors (see below), whose sum is σ = 194872778640. Its totient is φ = 58094137728.

The previous prime is 123031302997. The next prime is 123031303037. The reversal of 123031303022 is 220303130321.

It is a junction number, because it is equal to n+sod(n) for n = 123031302985 and 123031303003.

It is a congruent number.

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, 5094683 + ... + 5118774.

It is an arithmetic number, because the mean of its divisors is an integer number (12179548665).

Almost surely, 2123031303022 is an apocalyptic number.

123031303022 is a deficient number, since it is larger than the sum of its proper divisors (71841475618).

123031303022 is a wasteful number, since it uses less digits than its factorization.

123031303022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10213795.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123031303022 its reverse (220303130321), we get a palindrome (343334433343).

The spelling of 123031303022 in words is "one hundred twenty-three billion, thirty-one million, three hundred three thousand, twenty-two".

Divisors: 1 2 19 38 317 634 6023 12046 10213457 20426914 194055683 388111366 3237665869 6475331738 61515651511 123031303022