Search a number
-
+
2631948139584 = 263223229392
BaseRepresentation
bin100110010011001100010…
…101010111110001000000
3100022121111222202112221100
4212103030111113301000
5321110212210431314
65333033354454400
7361103062030131
oct46231425276100
910277458675840
102631948139584
11925226123525
1236610a134400
13161265073b8a
149155bbb7c88
15486e29e0c09
hex264cc557c40

2631948139584 has 189 divisors, whose sum is σ = 7888949414983. Its totient is φ = 838886340864.

The previous prime is 2631948139543. The next prime is 2631948139591. The reversal of 2631948139584 is 4859318491362.

The square root of 2631948139584 is 1622328.

It is a perfect power (a square), and thus also a powerful number.

2631948139584 is a `hidden beast` number, since 2 + 6 + 3 + 1 + 9 + 48 + 1 + 3 + 9 + 584 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 895523587 + ... + 895526525.

Almost surely, 22631948139584 is an apocalyptic number.

2631948139584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

2631948139584 is the 1622328-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2631948139584

2631948139584 is an abundant number, since it is smaller than the sum of its proper divisors (5257001275399).

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

2631948139584 is an frugal number, since it uses more digits than its factorization.

2631948139584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942 (or 2967 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 2631948139584 in words is "two trillion, six hundred thirty-one billion, nine hundred forty-eight million, one hundred thirty-nine thousand, five hundred eighty-four".