Base | Representation |
---|---|
bin | 10010010100101101… |
… | …101111011011100010 |
3 | 1212210011202212022002 |
4 | 102110231233123202 |
5 | 310243232403111 |
6 | 13012153044002 |
7 | 1264363534142 |
oct | 222455573342 |
9 | 55704685262 |
10 | 19674887906 |
11 | 8386a63543 |
12 | 39910b6602 |
13 | 1b1722690b |
14 | d49056922 |
15 | 7a244b63b |
hex | 494b6f6e2 |
19674887906 has 16 divisors (see below), whose sum is σ = 30375853440. Its totient is φ = 9553686480.
The previous prime is 19674887891. The next prime is 19674887957. The reversal of 19674887906 is 60978847691.
It is a super-2 number, since 2×196748879062 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011056 + ... + 1030331.
It is an arithmetic number, because the mean of its divisors is an integer number (1898490840).
Almost surely, 219674887906 is an apocalyptic number.
19674887906 is a deficient number, since it is larger than the sum of its proper divisors (10700965534).
19674887906 is a wasteful number, since it uses less digits than its factorization.
19674887906 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2041529.
The product of its (nonzero) digits is 36578304, while the sum is 65.
The spelling of 19674887906 in words is "nineteen billion, six hundred seventy-four million, eight hundred eighty-seven thousand, nine hundred six".
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