Search a number
-
+
21132041334 = 2367487107941
BaseRepresentation
bin10011101011100100…
…010101110001110110
32000112201122221000120
4103223210111301312
5321234300310314
613412524552410
71345446246645
oct235344256166
960481587016
1021132041334
118a64539478
1241190b2706
131cba096791
1410467a535c
1583a3308a9
hex4eb915c76

21132041334 has 32 divisors (see below), whose sum is σ = 42983367936. Its totient is φ = 6924566880.

The previous prime is 21132041263. The next prime is 21132041419. The reversal of 21132041334 is 43314023112.

It is a happy number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 141804 + ... + 249744.

It is an arithmetic number, because the mean of its divisors is an integer number (1343230248).

Almost surely, 221132041334 is an apocalyptic number.

21132041334 is an abundant number, since it is smaller than the sum of its proper divisors (21851326602).

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

21132041334 is a wasteful number, since it uses less digits than its factorization.

21132041334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108500.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21132041334 its reverse (43314023112), we get a palindrome (64446064446).

The spelling of 21132041334 in words is "twenty-one billion, one hundred thirty-two million, forty-one thousand, three hundred thirty-four".

Divisors: 1 2 3 6 67 134 201 402 487 974 1461 2922 32629 65258 97887 107941 195774 215882 323823 647646 7232047 14464094 21696141 43392282 52567267 105134534 157701801 315403602 3522006889 7044013778 10566020667 21132041334