Search a number
-
+
1911696950 = 25238233939
BaseRepresentation
bin111000111110010…
…0010111000110110
311221020012021012202
41301330202320312
512403343300300
6513410144502
765242104332
oct16174427066
94836167182
101911696950
118a1115239
12454282132
1324609a937
14141c707c2
15b2c6dad5
hex71f22e36

1911696950 has 12 divisors (see below), whose sum is σ = 3555756420. Its totient is φ = 764678760.

The previous prime is 1911696901. The next prime is 1911696977. The reversal of 1911696950 is 596961191.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1911696895 and 1911696904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19116920 + ... + 19117019.

It is an arithmetic number, because the mean of its divisors is an integer number (296313035).

Almost surely, 21911696950 is an apocalyptic number.

1911696950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1911696950 is a deficient number, since it is larger than the sum of its proper divisors (1644059470).

1911696950 is a wasteful number, since it uses less digits than its factorization.

1911696950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38233951 (or 38233946 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 47.

The square root of 1911696950 is about 43722.9567847372. The cubic root of 1911696950 is about 1241.0987810968.

The spelling of 1911696950 in words is "one billion, nine hundred eleven million, six hundred ninety-six thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 38233939 76467878 191169695 382339390 955848475 1911696950