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122303131032 = 23322922253117
BaseRepresentation
bin111000111100111010…
…1011010110110011000
3102200200111220210022210
41301321311122312120
54000434100143112
6132104004315120
711556533314065
oct1617165326630
9380614823283
10122303131032
1147960a245a5
121b8530a2aa0
13b6c13b76b4
145cc318bc6c
1532ac294b3c
hex1c79d5ad98

122303131032 has 32 divisors (see below), whose sum is σ = 307093028400. Its totient is φ = 40589683584.

The previous prime is 122303131031. The next prime is 122303131087. The reversal of 122303131032 is 230131303221.

It is a super-2 number, since 2×1223031310322 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122303131031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11121063 + ... + 11132054.

Almost surely, 2122303131032 is an apocalyptic number.

122303131032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122303131032 is an abundant number, since it is smaller than the sum of its proper divisors (184789897368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122303131032 is a wasteful number, since it uses less digits than its factorization.

122303131032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22253355 (or 22253351 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 122303131032 its reverse (230131303221), we get a palindrome (352434434253).

The spelling of 122303131032 in words is "one hundred twenty-two billion, three hundred three million, one hundred thirty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 229 458 687 916 1374 1832 2748 5496 22253117 44506234 66759351 89012468 133518702 178024936 267037404 534074808 5095963793 10191927586 15287891379 20383855172 30575782758 40767710344 61151565516 122303131032