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102274076450 = 25274132712
BaseRepresentation
bin101111101000000000…
…0101000111100100010
3100202222122201101200102
41133100000220330202
53133424130421300
6114552320222402
710250306210000
oct1372000507442
9322878641612
10102274076450
113a413060427
12179a346aa02
13984b9a9200
144d430a1a70
1529d8bda0d5
hex17d0028f22

102274076450 has 270 divisors, whose sum is σ = 243737829747. Its totient is φ = 31912171200.

The previous prime is 102274076449. The next prime is 102274076491. The reversal of 102274076450 is 54670472201.

It can be written as a sum of positive squares in 5 ways, for example, as 6402720289 + 95871356161 = 80017^2 + 309631^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=226135.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1440479915 + ... + 1440479985.

Almost surely, 2102274076450 is an apocalyptic number.

102274076450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102274076450 is an abundant number, since it is smaller than the sum of its proper divisors (141463753297).

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

102274076450 is an frugal number, since it uses more digits than its factorization.

102274076450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 102274076450 in words is "one hundred two billion, two hundred seventy-four million, seventy-six thousand, four hundred fifty".