Search a number
-
+
78935150116 = 221404772
BaseRepresentation
bin100100110000011100…
…1101100111000100100
321112202010102002120101
41021200321230320210
52243124344300431
6100132354113444
75463041463664
oct1114071547044
9245663362511
1078935150116
113052691a659
121336b27b884
13759c640324
143b6b58a1a4
1520bec7c961
hex1260e6ce24

78935150116 has 9 divisors (see below), whose sum is σ = 138137496049. Its totient is φ = 39467294104.

The previous prime is 78935150029. The next prime is 78935150117. The reversal of 78935150116 is 61105153987.

The square root of 78935150116 is 280954.

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

It can be written as a sum of positive squares in only one way, i.e., 5875222500 + 73059927616 = 76650^2 + 270296^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78935150117) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 491670 + ... + 632146.

Almost surely, 278935150116 is an apocalyptic number.

78935150116 is the 280954-th square number.

It is an amenable number.

78935150116 is a deficient number, since it is larger than the sum of its proper divisors (59202345933).

78935150116 is an frugal number, since it uses more digits than its factorization.

78935150116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280958 (or 140479 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 78935150116 in words is "seventy-eight billion, nine hundred thirty-five million, one hundred fifty thousand, one hundred sixteen".

Divisors: 1 2 4 140477 280954 561908 19733787529 39467575058 78935150116