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40132155454 = 220066077727
BaseRepresentation
bin100101011000000100…
…000001100000111110
310211120212201201200221
4211120010001200332
51124142312433304
630234135211554
72620340456446
oct453004014076
9124525651627
1040132155454
1116024612426
127940216bba
133a27574161
141d29d6d126
15109d3de054
hex95810183e

40132155454 has 4 divisors (see below), whose sum is σ = 60198233184. Its totient is φ = 20066077726.

The previous prime is 40132155443. The next prime is 40132155457. The reversal of 40132155454 is 45455123104.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×401321554542 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40132155457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10033038862 + ... + 10033038865.

It is an arithmetic number, because the mean of its divisors is an integer number (15049558296).

Almost surely, 240132155454 is an apocalyptic number.

40132155454 is a deficient number, since it is larger than the sum of its proper divisors (20066077730).

40132155454 is a wasteful number, since it uses less digits than its factorization.

40132155454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20066077729.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 40132155454 its reverse (45455123104), we get a palindrome (85587278558).

The spelling of 40132155454 in words is "forty billion, one hundred thirty-two million, one hundred fifty-five thousand, four hundred fifty-four".

Divisors: 1 2 20066077727 40132155454