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121025552452 = 2278948565631
BaseRepresentation
bin111000010110110101…
…1110110000001000100
3102120101110221001222121
41300231223312001010
53440330020134302
6131333125335324
711513061136150
oct1605553660104
9376343831877
10121025552452
1147365850932
121b557267544
13b54980003c
145c01626060
153235032e37
hex1c2daf6044

121025552452 has 24 divisors (see below), whose sum is σ = 244770785280. Its totient is φ = 51285305280.

The previous prime is 121025552447. The next prime is 121025552467. The reversal of 121025552452 is 254255520121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24280324 + ... + 24285307.

It is an arithmetic number, because the mean of its divisors is an integer number (10198782720).

Almost surely, 2121025552452 is an apocalyptic number.

It is an amenable number.

121025552452 is an abundant number, since it is smaller than the sum of its proper divisors (123745232828).

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

121025552452 is a wasteful number, since it uses less digits than its factorization.

121025552452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48565731 (or 48565729 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 121025552452 in words is "one hundred twenty-one billion, twenty-five million, five hundred fifty-two thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 89 178 356 623 1246 2492 48565631 97131262 194262524 339959417 679918834 1359837668 4322341159 8644682318 17289364636 30256388113 60512776226 121025552452