Search a number
-
+
6934921061859 = 337191931194949
BaseRepresentation
bin110010011101010100110…
…0000011010010111100011
3220112222020120110101022000
41210322221200122113203
51402110204242434414
622425505254015043
71314013544263530
oct144725140322743
926488216411260
106934921061859
1122340a116794a
1294004b047483
133b3c638918cb
1419d91b013d87
15c05d7150b09
hex64ea981a5e3

6934921061859 has 32 divisors (see below), whose sum is σ = 12359647680000. Its totient is φ = 3754242978912.

The previous prime is 6934921061839. The next prime is 6934921061891. The reversal of 6934921061859 is 9581601294396.

6934921061859 is a `hidden beast` number, since 6 + 9 + 3 + 4 + 9 + 2 + 1 + 0 + 618 + 5 + 9 = 666.

It is not a de Polignac number, because 6934921061859 - 213 = 6934921053667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 6934921061796 and 6934921061805.

It is not an unprimeable number, because it can be changed into a prime (6934921061839) 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, 965593884 + ... + 965601065.

It is an arithmetic number, because the mean of its divisors is an integer number (386238990000).

Almost surely, 26934921061859 is an apocalyptic number.

6934921061859 is a deficient number, since it is larger than the sum of its proper divisors (5424726618141).

6934921061859 is a wasteful number, since it uses less digits than its factorization.

6934921061859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931194984 (or 1931194978 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 6934921061859 in words is "six trillion, nine hundred thirty-four billion, nine hundred twenty-one million, sixty-one thousand, eight hundred fifty-nine".

Divisors: 1 3 7 9 19 21 27 57 63 133 171 189 399 513 1197 3591 1931194949 5793584847 13518364643 17380754541 36692704031 40555093929 52142263623 110078112093 121665281787 256848928217 330234336279 364995845361 770546784651 990703008837 2311640353953 6934921061859