Search a number
-
+
1353997883994 = 237194128312161
BaseRepresentation
bin10011101101000000100…
…100000001101001011010
311210102220102220011200120
4103231000210001221122
5134140441424241434
62514003521414110
7166552221055530
oct23550044015132
94712812804616
101353997883994
114822555636a8
1219a4b719a336
139a8b21c76a2
1449768c3c150
1525349773349
hex13b40901a5a

1353997883994 has 192 divisors, whose sum is σ = 3379642721280. Its totient is φ = 353219788800.

The previous prime is 1353997883977. The next prime is 1353997884073. The reversal of 1353997883994 is 4993887993531.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 111333274 + ... + 111345434.

It is an arithmetic number, because the mean of its divisors is an integer number (17602305840).

Almost surely, 21353997883994 is an apocalyptic number.

1353997883994 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 1353997883994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1689821360640).

1353997883994 is an abundant number, since it is smaller than the sum of its proper divisors (2025644837286).

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

1353997883994 is a wasteful number, since it uses less digits than its factorization.

1353997883994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12357 (or 12316 counting only the distinct ones).

The product of its digits is 1587237120, while the sum is 78.

The spelling of 1353997883994 in words is "one trillion, three hundred fifty-three billion, nine hundred ninety-seven million, eight hundred eighty-three thousand, nine hundred ninety-four".