Search a number
-
+
79458420044 = 2234956918639
BaseRepresentation
bin100101000000000010…
…1110100010101001100
321121002121000221222002
41022000011310111030
52300212323420134
6100300325411432
75512024266203
oct1120005642514
9247077027862
1079458420044
1130775230043
1213496569b78
137653b81cc3
143bbac7c23a
152100b9087e
hex128017454c

79458420044 has 12 divisors (see below), whose sum is σ = 139450668000. Its totient is φ = 39615372048.

The previous prime is 79458420037. The next prime is 79458420047. The reversal of 79458420044 is 44002485497.

It is not an unprimeable number, because it can be changed into a prime (79458420047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28457924 + ... + 28460715.

It is an arithmetic number, because the mean of its divisors is an integer number (11620889000).

Almost surely, 279458420044 is an apocalyptic number.

It is an amenable number.

79458420044 is a deficient number, since it is larger than the sum of its proper divisors (59992247956).

79458420044 is a wasteful number, since it uses less digits than its factorization.

79458420044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56918992 (or 56918990 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 79458420044 in words is "seventy-nine billion, four hundred fifty-eight million, four hundred twenty thousand, forty-four".

Divisors: 1 2 4 349 698 1396 56918639 113837278 227674556 19864605011 39729210022 79458420044