Search a number
-
+
1392739334672 = 247217231832389
BaseRepresentation
bin10100010001000101101…
…110111011101000010000
311221010220101202210002012
4110101011232323220100
5140304312232202142
62543452101242052
7202423244005400
oct24210556735020
94833811683065
101392739334672
11497726055a34
121a5b09703328
13a14475c5bba
144b5a21d8800
1526365a06882
hex14445bbba10

1392739334672 has 360 divisors, whose sum is σ = 3484994446080. Its totient is φ = 536880476160.

The previous prime is 1392739334633. The next prime is 1392739334677. The reversal of 1392739334672 is 2764339372931.

It is not an unprimeable number, because it can be changed into a prime (1392739334677) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 582978854 + ... + 582981242.

It is an arithmetic number, because the mean of its divisors is an integer number (9680540128).

Almost surely, 21392739334672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1392739334672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1742497223040).

1392739334672 is an abundant number, since it is smaller than the sum of its proper divisors (2092255111408).

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

1392739334672 is a wasteful number, since it uses less digits than its factorization.

1392739334672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559 (or 2529 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 59.

The spelling of 1392739334672 in words is "one trillion, three hundred ninety-two billion, seven hundred thirty-nine million, three hundred thirty-four thousand, six hundred seventy-two".