Search a number
-
+
6771851142 = 2371959143831
BaseRepresentation
bin1100100111010001…
…00011111110000110
3122110221102200101120
412103220203332012
5102332043214032
63035544134410
7326545533150
oct62350437606
918427380346
106771851142
112965595aa1
12138ba67406
1383bc74414
1448352bad0
1529979e62c
hex193a23f86

6771851142 has 64 divisors (see below), whose sum is σ = 16569446400. Its totient is φ = 1801902240.

The previous prime is 6771851101. The next prime is 6771851143. The reversal of 6771851142 is 2411581776.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 6771851094 and 6771851103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6771851143) 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 31 ways as a sum of consecutive naturals, for example, 24834 + ... + 118997.

It is an arithmetic number, because the mean of its divisors is an integer number (258897600).

Almost surely, 26771851142 is an apocalyptic number.

6771851142 is an abundant number, since it is smaller than the sum of its proper divisors (9797595258).

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

6771851142 is a wasteful number, since it uses less digits than its factorization.

6771851142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143921.

The product of its digits is 94080, while the sum is 42.

The square root of 6771851142 is about 82291.2579925717. The cubic root of 6771851142 is about 1891.9186903645.

The spelling of 6771851142 in words is "six billion, seven hundred seventy-one million, eight hundred fifty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 59 114 118 133 177 266 354 399 413 798 826 1121 1239 2242 2478 3363 6726 7847 15694 23541 47082 143831 287662 431493 862986 1006817 2013634 2732789 3020451 5465578 6040902 8198367 8486029 16396734 16972058 19129523 25458087 38259046 50916174 57388569 59402203 114777138 118804406 161234551 178206609 322469102 356413218 483703653 967407306 1128641857 2257283714 3385925571 6771851142