Search a number
-
+
40312100023 = 13231119712041
BaseRepresentation
bin100101100010110010…
…011101010010110111
310212001102022212020121
4211202302131102313
51130024344200043
630304044112411
72624654124256
oct454262352267
9125042285217
1040312100023
1116107147448
127990535707
133a55928a30
141d45c1079d
1510ae0d5ded
hex962c9d4b7

40312100023 has 16 divisors (see below), whose sum is σ = 45308362176. Its totient is φ = 35587157760.

The previous prime is 40312099981. The next prime is 40312100131. The reversal of 40312100023 is 32000121304.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40312100023 - 217 = 40311968951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40312100623) by changing a digit.

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, 3341883 + ... + 3353923.

It is an arithmetic number, because the mean of its divisors is an integer number (2831772636).

Almost surely, 240312100023 is an apocalyptic number.

40312100023 is a deficient number, since it is larger than the sum of its proper divisors (4996262153).

40312100023 is a wasteful number, since it uses less digits than its factorization.

40312100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23274.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 40312100023 its reverse (32000121304), we get a palindrome (72312221327).

The spelling of 40312100023 in words is "forty billion, three hundred twelve million, one hundred thousand, twenty-three".

Divisors: 1 13 23 299 11197 12041 145561 156533 257531 276943 3347903 3600259 134823077 1752700001 3100930771 40312100023