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102112020000 = 253254678467
BaseRepresentation
bin101111100011001011…
…0011100011000100000
3100202120100210002000200
41133012112130120200
53133111134120000
6114524250545200
710243300564134
oct1370626343040
9322510702020
10102112020000
113a33a633a81
1217959138200
139824248713
144d297593c4
1529c9878500
hex17c659c620

102112020000 has 360 divisors, whose sum is σ = 368319487536. Its totient is φ = 26820288000.

The previous prime is 102112019981. The next prime is 102112020013. The reversal of 102112020000 is 20211201.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (9).

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 59 ways as a sum of consecutive naturals, for example, 12055767 + ... + 12064233.

Almost surely, 2102112020000 is an apocalyptic number.

102112020000 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 102112020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184159743768).

102112020000 is an abundant number, since it is smaller than the sum of its proper divisors (266207467536).

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

102112020000 is an equidigital number, since it uses as much as digits as its factorization.

102112020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8570 (or 8544 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 102112020000 its reverse (20211201), we get a palindrome (102132231201).

The spelling of 102112020000 in words is "one hundred two billion, one hundred twelve million, twenty thousand".