Search a number
-
+
11913630834 = 237283657877
BaseRepresentation
bin10110001100001101…
…11001010001110010
31010202021121011010110
423012012321101302
5143344342141314
65250102242150
7601142122410
oct130606712162
933667534113
1011913630834
115063a301a6
122385a26356
13117b2b4401
148103782b0
1549adaea59
hex2c61b9472

11913630834 has 16 divisors (see below), whose sum is σ = 27231156288. Its totient is φ = 3403894512.

The previous prime is 11913630823. The next prime is 11913630877. The reversal of 11913630834 is 43803631911.

It is a junction number, because it is equal to n+sod(n) for n = 11913630792 and 11913630801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141828897 + ... + 141828980.

It is an arithmetic number, because the mean of its divisors is an integer number (1701947268).

Almost surely, 211913630834 is an apocalyptic number.

11913630834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11913630834 is an abundant number, since it is smaller than the sum of its proper divisors (15317525454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11913630834 is a wasteful number, since it uses less digits than its factorization.

11913630834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283657889.

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 11913630834 in words is "eleven billion, nine hundred thirteen million, six hundred thirty thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 283657877 567315754 850973631 1701947262 1985605139 3971210278 5956815417 11913630834