Search a number
-
+
78506130374 = 272801082963
BaseRepresentation
bin100100100011101010…
…1000111101111000110
321111122020010122010022
41021013111013233012
52241240032132444
6100022030455142
75446312045400
oct1110725075706
9244566118108
1078506130374
1130326733791
121326b6644b2
1375317aaca9
143b2a5cdb70
1520972859ee
hex1247547bc6

78506130374 has 12 divisors (see below), whose sum is σ = 136985186844. Its totient is φ = 33645484404.

The previous prime is 78506130331. The next prime is 78506130397. The reversal of 78506130374 is 47303160587.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400541384 + ... + 400541579.

It is an arithmetic number, because the mean of its divisors is an integer number (11415432237).

Almost surely, 278506130374 is an apocalyptic number.

78506130374 is a deficient number, since it is larger than the sum of its proper divisors (58479056470).

78506130374 is a wasteful number, since it uses less digits than its factorization.

78506130374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801082979 (or 801082972 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 78506130374 in words is "seventy-eight billion, five hundred six million, one hundred thirty thousand, three hundred seventy-four".

Divisors: 1 2 7 14 49 98 801082963 1602165926 5607580741 11215161482 39253065187 78506130374