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540053615638 = 2270026807819
BaseRepresentation
bin1111101101111011011…
…01000011010000010110
31220121222021011012120101
413312331231003100112
532322012211200023
61052032555124314
754006013664065
oct7667555032026
91817867135511
10540053615638
11199043206789
12887baa4369a
133bc08353364
141c1d298a1dc
15e0ac1ab1ad
hex7dbdb43416

540053615638 has 4 divisors (see below), whose sum is σ = 810080423460. Its totient is φ = 270026807818.

The previous prime is 540053615623. The next prime is 540053615639. The reversal of 540053615638 is 836516350045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 836516350045 = 5167303270009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540053615639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135013403908 + ... + 135013403911.

It is an arithmetic number, because the mean of its divisors is an integer number (202520105865).

Almost surely, 2540053615638 is an apocalyptic number.

540053615638 is a deficient number, since it is larger than the sum of its proper divisors (270026807822).

540053615638 is a wasteful number, since it uses less digits than its factorization.

540053615638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270026807821.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 540053615638 in words is "five hundred forty billion, fifty-three million, six hundred fifteen thousand, six hundred thirty-eight".

Divisors: 1 2 270026807819 540053615638