Search a number
-
+
99681823119 = 3431129968389
BaseRepresentation
bin101110011010101111…
…1111110100110001111
3100112021222221021121210
41130311133332212033
53113122021314434
6113443155225503
710126131342054
oct1346537764617
9315258837553
1099681823119
11393028770aa
121739b2a8293
1395279192b8
144b78ab902b
1528d6339ee9
hex17357fe98f

99681823119 has 16 divisors (see below), whose sum is σ = 136014032000. Its totient is φ = 64902400416.

The previous prime is 99681823103. The next prime is 99681823121. The reversal of 99681823119 is 91132818699.

It is not a de Polignac number, because 99681823119 - 24 = 99681823103 is a prime.

It is a super-2 number, since 2×996818231192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99681823159) 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, 1423377 + ... + 1491765.

It is an arithmetic number, because the mean of its divisors is an integer number (8500877000).

Almost surely, 299681823119 is an apocalyptic number.

99681823119 is a deficient number, since it is larger than the sum of its proper divisors (36332208881).

99681823119 is a wasteful number, since it uses less digits than its factorization.

99681823119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79734.

The product of its digits is 1679616, while the sum is 57.

The spelling of 99681823119 in words is "ninety-nine billion, six hundred eighty-one million, eight hundred twenty-three thousand, one hundred nineteen".

Divisors: 1 3 43 129 11299 33897 68389 205167 485857 1457571 2940727 8822181 772727311 2318181933 33227274373 99681823119