Search a number
-
+
78063242404 = 227428512
BaseRepresentation
bin100100010110011101…
…1101000110010100100
321110111100202121001011
41020230323220302210
52234333142224104
655510050112004
75432323420000
oct1105473506244
9243440677034
1078063242404
1130119735474
121316727b604
137490b014c4
143ac7863700
15206d44e904
hex122cee8ca4

78063242404 has 45 divisors (see below), whose sum is σ = 159425556171. Its totient is φ = 33443940600.

The previous prime is 78063242401. The next prime is 78063242417. The reversal of 78063242404 is 40424236087.

The square root of 78063242404 is 279398.

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

It is not an unprimeable number, because it can be changed into a prime (78063242401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 27379579 + ... + 27382429.

Almost surely, 278063242404 is an apocalyptic number.

78063242404 is the 279398-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78063242404

78063242404 is an abundant number, since it is smaller than the sum of its proper divisors (81362313767).

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

78063242404 is an frugal number, since it uses more digits than its factorization.

78063242404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734 (or 2860 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 78063242404 in words is "seventy-eight billion, sixty-three million, two hundred forty-two thousand, four hundred four".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372 2401 2851 4802 5702 9604 11404 19957 39914 79828 139699 279398 558796 977893 1955786 3911572 6845251 8128201 13690502 16256402 27381004 32512804 56897407 113794814 227589628 398281849 796563698 1593127396 2787972943 5575945886 11151891772 19515810601 39031621202 78063242404