Search a number
-
+
72946988884 = 22711236840873
BaseRepresentation
bin100001111101111111…
…0101011011101010100
320222021210121222122001
41003323332223131110
52143343412121014
653302243045044
75161460113660
oct1037376533524
9228253558561
1072946988884
1128a33745480
1212179970784
136b56b5b063
14376017d8a0
151d6e1d2974
hex10fbfab754

72946988884 has 24 divisors (see below), whose sum is σ = 159157067328. Its totient is φ = 28420904640.

The previous prime is 72946988837. The next prime is 72946988903. The reversal of 72946988884 is 48888964927.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118420129 + ... + 118420744.

It is an arithmetic number, because the mean of its divisors is an integer number (6631544472).

Almost surely, 272946988884 is an apocalyptic number.

It is an amenable number.

72946988884 is an abundant number, since it is smaller than the sum of its proper divisors (86210078444).

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

72946988884 is a wasteful number, since it uses less digits than its factorization.

72946988884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236840895 (or 236840893 counting only the distinct ones).

The product of its digits is 445906944, while the sum is 73.

The spelling of 72946988884 in words is "seventy-two billion, nine hundred forty-six million, nine hundred eighty-eight thousand, eight hundred eighty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 236840873 473681746 947363492 1657886111 2605249603 3315772222 5210499206 6631544444 10420998412 18236747221 36473494442 72946988884