Search a number
-
+
7940460798816 = 2537213315379031
BaseRepresentation
bin111001110001100100001…
…0110000110001101100000
31001010002201100212121020220
41303203020112012031200
52020044030431030231
624515444120203040
71446452010105300
oct163431026061540
931102640777226
107940460798816
112591592128147
12a82ab8309480
13457a22774cc0
141d646b099600
15db839dd5896
hex738c8586360

7940460798816 has 576 divisors, whose sum is σ = 27463136956416. Its totient is φ = 1988369510400.

The previous prime is 7940460798799. The next prime is 7940460798817. The reversal of 7940460798816 is 6188970640497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940460798817) 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, 100433221 + ... + 100512251.

It is an arithmetic number, because the mean of its divisors is an integer number (47679057216).

Almost surely, 27940460798816 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 7940460798816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13731568478208).

7940460798816 is an abundant number, since it is smaller than the sum of its proper divisors (19522676157600).

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

7940460798816 is a wasteful number, since it uses less digits than its factorization.

7940460798816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79155 (or 79140 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 69.

The spelling of 7940460798816 in words is "seven trillion, nine hundred forty billion, four hundred sixty million, seven hundred ninety-eight thousand, eight hundred sixteen".