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40678207412 = 2231332490581
BaseRepresentation
bin100101111000100111…
…000010111110110100
310212222221020001011112
4211320213002332310
51131302110114122
630404243054152
72640021025613
oct457047027664
9125887201145
1040678207412
1116284873337
127a73071358
133ab373161b
141d7c6b187a
1510d13022e2
hex9789c2fb4

40678207412 has 12 divisors (see below), whose sum is σ = 71414299236. Its totient is φ = 20274121920.

The previous prime is 40678207387. The next prime is 40678207417. The reversal of 40678207412 is 21470287604.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3873319696 + 36804887716 = 62236^2 + 191846^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40678207412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40678207417) 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 3 ways as a sum of consecutive naturals, for example, 16244039 + ... + 16246542.

It is an arithmetic number, because the mean of its divisors is an integer number (5951191603).

Almost surely, 240678207412 is an apocalyptic number.

It is an amenable number.

40678207412 is a deficient number, since it is larger than the sum of its proper divisors (30736091824).

40678207412 is a wasteful number, since it uses less digits than its factorization.

40678207412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32490898 (or 32490896 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 40678207412 in words is "forty billion, six hundred seventy-eight million, two hundred seven thousand, four hundred twelve".

Divisors: 1 2 4 313 626 1252 32490581 64981162 129962324 10169551853 20339103706 40678207412