Search a number
-
+
19679070614 = 2721031949581
BaseRepresentation
bin10010010100111101…
…101100100110010110
31212210110122100220012
4102110331230212112
5310300320224424
613012422440222
71264444224500
oct222475544626
955713570805
1019679070614
118389360025
123992593072
131b1805c6a8
14d49824d70
157a29c5b0e
hex494f6c996

19679070614 has 24 divisors (see below), whose sum is σ = 34671366288. Its totient is φ = 8352000720.

The previous prime is 19679070611. The next prime is 19679070629. The reversal of 19679070614 is 41607097691.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19679070611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 964697 + ... + 984884.

It is an arithmetic number, because the mean of its divisors is an integer number (1444640262).

Almost surely, 219679070614 is an apocalyptic number.

19679070614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19679070614 is a deficient number, since it is larger than the sum of its proper divisors (14992295674).

19679070614 is a wasteful number, since it uses less digits than its factorization.

19679070614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949700 (or 1949693 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 50.

The spelling of 19679070614 in words is "nineteen billion, six hundred seventy-nine million, seventy thousand, six hundred fourteen".

Divisors: 1 2 7 14 49 98 103 206 721 1442 5047 10094 1949581 3899162 13647067 27294134 95529469 191058938 200806843 401613686 1405647901 2811295802 9839535307 19679070614