Search a number
-
+
542857354134540 = 223554116723886449
BaseRepresentation
bin111101101101110011101001…
…1110000011100010000001100
32122012002122201101102011100220
41323123213103300130100030
51032123133330124301130
65202321120425351340
7222226102204440654
oct17333472360342014
92565078641364326
10542857354134540
11147a75569168605
1250a75485638550
131a3ba2c89b7ba3
14980a616a5d364
1542b5e73bec410
hex1edb9d3c1c40c

542857354134540 has 48 divisors (see below), whose sum is σ = 1522810204591200. Its totient is φ = 144494378910720.

The previous prime is 542857354134533. The next prime is 542857354134547. The reversal of 542857354134540 is 45431453758245.

It is an interprime number because it is at equal distance from previous prime (542857354134533) and next prime (542857354134547).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (542857354134547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8361910765 + ... + 8361975684.

It is an arithmetic number, because the mean of its divisors is an integer number (31725212595650).

Almost surely, 2542857354134540 is an apocalyptic number.

It is an amenable number.

542857354134540 is an abundant number, since it is smaller than the sum of its proper divisors (979952850456660).

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

542857354134540 is a wasteful number, since it uses less digits than its factorization.

542857354134540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16723887002 (or 16723887000 counting only the distinct ones).

The product of its (nonzero) digits is 161280000, while the sum is 60.

The spelling of 542857354134540 in words is "five hundred forty-two trillion, eight hundred fifty-seven billion, three hundred fifty-four million, one hundred thirty-four thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 541 1082 1623 2164 2705 3246 5410 6492 8115 10820 16230 32460 16723886449 33447772898 50171659347 66895545796 83619432245 100343318694 167238864490 200686637388 250858296735 334477728980 501716593470 1003433186940 9047622568909 18095245137818 27142867706727 36190490275636 45238112844545 54285735413454 90476225689090 108571470826908 135714338533635 180952451378180 271428677067270 542857354134540