Search a number
-
+
71144660162 = 21923107760759
BaseRepresentation
bin100001001000010001…
…1010101110011000010
320210122012020012102102
41002100203111303002
52131201013111122
652403340550402
75066013430202
oct1022043256302
9223565205372
1071144660162
1128199340204
1211956252402
13692a634064
14362ca5c402
151cb5d69492
hex10908d5cc2

71144660162 has 32 divisors (see below), whose sum is σ = 118313395200. Its totient is φ = 31933577808.

The previous prime is 71144660159. The next prime is 71144660173. The reversal of 71144660162 is 26106644117.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286862 + ... + 473897.

It is an arithmetic number, because the mean of its divisors is an integer number (3697293600).

Almost surely, 271144660162 is an apocalyptic number.

71144660162 is a deficient number, since it is larger than the sum of its proper divisors (47168735038).

71144660162 is a wasteful number, since it uses less digits than its factorization.

71144660162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760910.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 71144660162 in words is "seventy-one billion, one hundred forty-four million, six hundred sixty thousand, one hundred sixty-two".

Divisors: 1 2 19 23 38 46 107 214 437 874 2033 2461 4066 4922 46759 93518 760759 1521518 14454421 17497457 28908842 34994914 81401213 162802426 332451683 664903366 1546623047 1872227899 3093246094 3744455798 35572330081 71144660162