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540455140554 = 237210717180213
BaseRepresentation
bin1111101110101011010…
…00101111110011001010
31220200000020200210012120
413313111220233303022
532323323003444204
61052140501152110
754021660616500
oct7672550576312
91820006623176
10540455140554
1119922992335a
12888b13bb636
133bc705a9a74
141c23002a670
15e0d25716d9
hex7dd5a2fcca

540455140554 has 48 divisors (see below), whose sum is σ = 1269136768608. Its totient is φ = 152972607648.

The previous prime is 540455140531. The next prime is 540455140573. The reversal of 540455140554 is 455041554045.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8558649 + ... + 8621564.

It is an arithmetic number, because the mean of its divisors is an integer number (26440349346).

Almost surely, 2540455140554 is an apocalyptic number.

540455140554 is an abundant number, since it is smaller than the sum of its proper divisors (728681628054).

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

540455140554 is a wasteful number, since it uses less digits than its factorization.

540455140554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17180339 (or 17180332 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 42.

Adding to 540455140554 its reverse (455041554045), we get a palindrome (995496694599).

The spelling of 540455140554 in words is "five hundred forty billion, four hundred fifty-five million, one hundred forty thousand, five hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 107 147 214 294 321 642 749 1498 2247 4494 5243 10486 15729 31458 17180213 34360426 51540639 103081278 120261491 240522982 360784473 721568946 841830437 1683660874 1838282791 2525491311 3676565582 5050982622 5514848373 11029696746 12867979537 25735959074 38603938611 77207877222 90075856759 180151713518 270227570277 540455140554