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1401141443232 = 2531722331193367
BaseRepresentation
bin10100011000111010100…
…010011011101010100000
311221221120221211010020010
4110120322202123222200
5140424014202140412
62551401523444520
7203141406521616
oct24307242335240
94857527733203
101401141443232
114a02478a9503
121a7673526740
13a218623827b
144bb5c0556b6
15266a848033c
hex1463a89baa0

1401141443232 has 576 divisors, whose sum is σ = 4241795088384. Its totient is φ = 403687342080.

The previous prime is 1401141443231. The next prime is 1401141443239. The reversal of 1401141443232 is 2323441411041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401141443232.

It is not an unprimeable number, because it can be changed into a prime (1401141443231) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3817823913 + ... + 3817824279.

It is an arithmetic number, because the mean of its divisors is an integer number (7364227584).

Almost surely, 21401141443232 is an apocalyptic number.

1401141443232 is a gapful number since it is divisible by the number (12) 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 1401141443232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2120897544192).

1401141443232 is an abundant number, since it is smaller than the sum of its proper divisors (2840653645152).

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

1401141443232 is a wasteful number, since it uses less digits than its factorization.

1401141443232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1401141443232 its reverse (2323441411041), we get a palindrome (3724582854273).

The spelling of 1401141443232 in words is "one trillion, four hundred one billion, one hundred forty-one million, four hundred forty-three thousand, two hundred thirty-two".