Search a number
-
+
72774848414 = 2891313120973
BaseRepresentation
bin100001111000110111…
…0000000111110011110
320221211210201100022002
41003301232000332132
52143020330122124
653233213322302
75154300001502
oct1036156007636
9227753640262
1072774848414
1128955560824
1212130196392
136b2a2a96a8
143745370302
151d5e02d0ae
hex10f1b80f9e

72774848414 has 16 divisors (see below), whose sum is σ = 111231513360. Its totient is φ = 35703919680.

The previous prime is 72774848387. The next prime is 72774848417. The reversal of 72774848414 is 41484847727.

It is a self number, because there is not a number n which added to its sum of digits gives 72774848414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72774848417) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1537169 + ... + 1583804.

It is an arithmetic number, because the mean of its divisors is an integer number (6951969585).

Almost surely, 272774848414 is an apocalyptic number.

72774848414 is a deficient number, since it is larger than the sum of its proper divisors (38456664946).

72774848414 is a wasteful number, since it uses less digits than its factorization.

72774848414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121195.

The product of its digits is 11239424, while the sum is 56.

The spelling of 72774848414 in words is "seventy-two billion, seven hundred seventy-four million, eight hundred forty-eight thousand, four hundred fourteen".

Divisors: 1 2 89 131 178 262 11659 23318 3120973 6241946 277766597 408847463 555533194 817694926 36387424207 72774848414