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102451200000 = 2143552329
BaseRepresentation
bin101111101101010010…
…0010100000000000000
3100210110000000012111220
41133122210110000000
53134310001400000
6115022044435040
710254556555122
oct1373244240000
9323400005456
10102451200000
113a4a4038a26
1217a32848a80
1398795b3a46
144d5c80b212
1529e95261a0
hex17da914000

102451200000 has 720 divisors, whose sum is σ = 368605157760. Its totient is φ = 25231360000.

The previous prime is 102451199959. The next prime is 102451200011. The reversal of 102451200000 is 2154201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3532799986 + ... + 3532800014.

It is an arithmetic number, because the mean of its divisors is an integer number (511951608).

Almost surely, 2102451200000 is an apocalyptic number.

102451200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102451200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184302578880).

102451200000 is an abundant number, since it is smaller than the sum of its proper divisors (266153957760).

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

102451200000 is an frugal number, since it uses more digits than its factorization.

102451200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 102451200000 its reverse (2154201), we get a palindrome (102453354201).

The spelling of 102451200000 in words is "one hundred two billion, four hundred fifty-one million, two hundred thousand".