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312302100000 = 2535511101937
BaseRepresentation
bin1001000101101101010…
…01111101111000100000
31002212002212111110101110
410202312221331320200
520104043314200000
6355245233503320
731364065023162
oct4426651757040
91085085443343
10312302100000
111104a04370a0
1250639411b40
13235b0748017
1411188d1c932
1581cc705850
hex48b6a7de20

312302100000 has 576 divisors, whose sum is σ = 1130100418944. Its totient is φ = 74880000000.

The previous prime is 312302099953. The next prime is 312302100001. The reversal of 312302100000 is 1203213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (312302100001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 333299532 + ... + 333300468.

It is an arithmetic number, because the mean of its divisors is an integer number (1961979894).

Almost surely, 2312302100000 is an apocalyptic number.

312302100000 is a gapful number since it is divisible by the number (30) 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 312302100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565050209472).

312302100000 is an abundant number, since it is smaller than the sum of its proper divisors (817798318944).

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

312302100000 is a wasteful number, since it uses less digits than its factorization.

312302100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 312302100000 its reverse (1203213), we get a palindrome (312303303213).

The spelling of 312302100000 in words is "three hundred twelve billion, three hundred two million, one hundred thousand".