Search a number
-
+
79469342849 = 13377113916741
BaseRepresentation
bin100101000000010111…
…1011111000010000001
321121010100120220020102
41022000233133002001
52300223122432344
6100301355452145
75512216161131
oct1120057370201
9247110526212
1079469342849
1130780410556
121349a157055
1376562078c0
143bbc4c2ac1
152101aebe4e
hex1280bdf081

79469342849 has 32 divisors (see below), whose sum is σ = 89779979520. Its totient is φ = 69858028800.

The previous prime is 79469342803. The next prime is 79469342861. The reversal of 79469342849 is 94824396497.

It is a cyclic number.

It is not a de Polignac number, because 79469342849 - 216 = 79469277313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79469342899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4738619 + ... + 4755359.

It is an arithmetic number, because the mean of its divisors is an integer number (2805624360).

Almost surely, 279469342849 is an apocalyptic number.

It is an amenable number.

79469342849 is a deficient number, since it is larger than the sum of its proper divisors (10310636671).

79469342849 is a wasteful number, since it uses less digits than its factorization.

79469342849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17001.

The product of its digits is 94058496, while the sum is 65.

The spelling of 79469342849 in words is "seventy-nine billion, four hundred sixty-nine million, three hundred forty-two thousand, eight hundred forty-nine".

Divisors: 1 13 37 71 139 481 923 1807 2627 5143 9869 16741 34151 66859 128297 217633 365153 619417 1188611 2326999 4746989 8052421 15451943 30250987 43978607 86098963 165216929 571721891 1119286519 2147820077 6113026373 79469342849