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1342131287040 = 21032541827859
BaseRepresentation
bin10011100001111101010…
…000100011010000000000
311202022021102210120220200
4103201331100203100000
5133442141102141130
62504322215205200
7165652156465125
oct23417520432000
94668242716820
101342131287040
11478216138785
12198145076800
13997408a059b
1448d60c2874c
1524da2aa4760
hex1387d423400

1342131287040 has 528 divisors, whose sum is σ = 4775188541760. Its totient is φ = 348344156160.

The previous prime is 1342131287011. The next prime is 1342131287041. The reversal of 1342131287040 is 407821312431.

1342131287040 is a `hidden beast` number, since 1 + 3 + 421 + 3 + 128 + 70 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1342131286986 and 1342131287004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342131287041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1562434131 + ... + 1562434989.

Almost surely, 21342131287040 is an apocalyptic number.

1342131287040 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 1342131287040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2387594270880).

1342131287040 is an abundant number, since it is smaller than the sum of its proper divisors (3433057254720).

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

1342131287040 is a wasteful number, since it uses less digits than its factorization.

1342131287040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

Adding to 1342131287040 its reverse (407821312431), we get a palindrome (1749952599471).

The spelling of 1342131287040 in words is "one trillion, three hundred forty-two billion, one hundred thirty-one million, two hundred eighty-seven thousand, forty".