Base | Representation |
---|---|
bin | 10001110010100000… |
… | …001011111000101110 |
3 | 1211022011201201101212 |
4 | 101302200023320232 |
5 | 303104313042402 |
6 | 12435210434422 |
7 | 1244224022432 |
oct | 216240137056 |
9 | 54264651355 |
10 | 19100909102 |
11 | 8111a687a0 |
12 | 3850a32a12 |
13 | 1a5533bca2 |
14 | cd2b249c2 |
15 | 76bd6d952 |
hex | 47280be2e |
19100909102 has 32 divisors (see below), whose sum is σ = 32364334080. Its totient is φ = 8374935520.
The previous prime is 19100909101. The next prime is 19100909111. The reversal of 19100909102 is 20190900191.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19100909101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690143 + ... + 717285.
It is an arithmetic number, because the mean of its divisors is an integer number (1011385440).
Almost surely, 219100909102 is an apocalyptic number.
19100909102 is a deficient number, since it is larger than the sum of its proper divisors (13263424978).
19100909102 is a wasteful number, since it uses less digits than its factorization.
19100909102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28288.
The product of its (nonzero) digits is 1458, while the sum is 32.
The spelling of 19100909102 in words is "nineteen billion, one hundred million, nine hundred nine thousand, one hundred two".
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