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103213231200 = 253252592291061
BaseRepresentation
bin110000000011111111…
…1001110110001100000
3100212102002220101210200
41200013333032301200
53142340041344300
6115225425425200
710312501663332
oct1400777166140
9325362811720
10103213231200
113a8551a6282
1218005a9b200
13996b431791
144dd1ad1452
152a4139d200
hex1807fcec60

103213231200 has 432 divisors, whose sum is σ = 372091028400. Its totient is φ = 26913484800.

The previous prime is 103213231189. The next prime is 103213231207. The reversal of 103213231200 is 2132312301.

103213231200 is a `hidden beast` number, since 1 + 0 + 321 + 32 + 312 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103213231207) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 97278670 + ... + 97279730.

It is an arithmetic number, because the mean of its divisors is an integer number (861321825).

Almost surely, 2103213231200 is an apocalyptic number.

103213231200 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 103213231200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186045514200).

103213231200 is an abundant number, since it is smaller than the sum of its proper divisors (268877797200).

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

103213231200 is a wasteful number, since it uses less digits than its factorization.

103213231200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 103213231200 its reverse (2132312301), we get a palindrome (105345543501).

The spelling of 103213231200 in words is "one hundred three billion, two hundred thirteen million, two hundred thirty-one thousand, two hundred".