Search a number
-
+
40712400894 = 2311616854559
BaseRepresentation
bin100101111010101001…
…011110111111111110
310220002022120020210210
4211322221132333332
51131334333312034
630411504013250
72640614461224
oct457251367776
9126068506723
1040712400894
11162a20a8410
127a82601226
133aba844259
141d83052b14
1510d43088e9
hex97aa5effe

40712400894 has 16 divisors (see below), whose sum is σ = 88827056640. Its totient is φ = 12337091160.

The previous prime is 40712400889. The next prime is 40712400907. The reversal of 40712400894 is 49800421704.

It is a Curzon number.

It is a congruent number.

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, 308427214 + ... + 308427345.

It is an arithmetic number, because the mean of its divisors is an integer number (5551691040).

Almost surely, 240712400894 is an apocalyptic number.

40712400894 is an abundant number, since it is smaller than the sum of its proper divisors (48114655746).

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

40712400894 is a wasteful number, since it uses less digits than its factorization.

40712400894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616854575.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 40712400894 in words is "forty billion, seven hundred twelve million, four hundred thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 11 22 33 66 616854559 1233709118 1850563677 3701127354 6785400149 13570800298 20356200447 40712400894