Search a number
-
+
71944292199 = 3132141901957
BaseRepresentation
bin100001100000000110…
…1101100011101100111
320212200220212201100210
41003000031230131213
52134320214322244
653014543510503
75124563252013
oct1030015543547
9225626781323
1071944292199
112856974a62a
1211b39bb8433
136a271b8600
1436a6d2d543
151d1116c4b9
hex10c036c767

71944292199 has 12 divisors (see below), whose sum is σ = 103872233256. Its totient is φ = 44273410272.

The previous prime is 71944292141. The next prime is 71944292209. The reversal of 71944292199 is 99129244917.

It is not a de Polignac number, because 71944292199 - 28 = 71944291943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71944222199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70950472 + ... + 70951485.

It is an arithmetic number, because the mean of its divisors is an integer number (8656019438).

Almost surely, 271944292199 is an apocalyptic number.

71944292199 is a deficient number, since it is larger than the sum of its proper divisors (31927941057).

71944292199 is a wasteful number, since it uses less digits than its factorization.

71944292199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141901986 (or 141901973 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 57.

The spelling of 71944292199 in words is "seventy-one billion, nine hundred forty-four million, two hundred ninety-two thousand, one hundred ninety-nine".

Divisors: 1 3 13 39 169 507 141901957 425705871 1844725441 5534176323 23981430733 71944292199