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1312400303214 = 2371113796174483
BaseRepresentation
bin10011000110010001001…
…001110110010001101110
311122110112102201010100120
4103012101021312101232
5133000243434200324
62442524113105410
7163550334342030
oct23062111662156
94573472633316
101312400303214
11466649836570
12192428258266
13969b3178570
1447740409c50
15242128b9179
hex1319127646e

1312400303214 has 256 divisors, whose sum is σ = 3575399546880. Its totient is φ = 310105635840.

The previous prime is 1312400303183. The next prime is 1312400303219. The reversal of 1312400303214 is 4123030042131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312400303219) 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 127 ways as a sum of consecutive naturals, for example, 292748217 + ... + 292752699.

It is an arithmetic number, because the mean of its divisors is an integer number (13966404480).

Almost surely, 21312400303214 is an apocalyptic number.

1312400303214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312400303214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1787699773440).

1312400303214 is an abundant number, since it is smaller than the sum of its proper divisors (2262999243666).

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

1312400303214 is a wasteful number, since it uses less digits than its factorization.

1312400303214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1312400303214 its reverse (4123030042131), we get a palindrome (5435430345345).

The spelling of 1312400303214 in words is "one trillion, three hundred twelve billion, four hundred million, three hundred three thousand, two hundred fourteen".