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102213312000 = 293531928019
BaseRepresentation
bin101111100110001100…
…0110101111000000000
3100202211102101020112020
41133030120311320000
53133313101441000
6114542310001440
710245640550112
oct1371430657000
9322742336466
10102213312000
113a391828178
1217987046280
13983c222307
144d38da53b2
1529d36d5ba0
hex17cc635e00

102213312000 has 320 divisors, whose sum is σ = 357732460800. Its totient is φ = 25821388800.

The previous prime is 102213311999. The next prime is 102213312017. The reversal of 102213312000 is 213312201.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×1022133120002 (a number of 23 digits) contains 22 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3633991 + ... + 3662009.

It is an arithmetic number, because the mean of its divisors is an integer number (1117913940).

Almost surely, 2102213312000 is an apocalyptic number.

102213312000 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 102213312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178866230400).

102213312000 is an abundant number, since it is smaller than the sum of its proper divisors (255519148800).

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

102213312000 is an equidigital number, since it uses as much as digits as its factorization.

102213312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28074 (or 28048 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102213312000 its reverse (213312201), we get a palindrome (102426624201).

The spelling of 102213312000 in words is "one hundred two billion, two hundred thirteen million, three hundred twelve thousand".