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542315513244 = 223421584918353
BaseRepresentation
bin1111110010001001000…
…01100000010110011100
31220211210220022111202210
413321010201200112130
532341130232410434
61053045235320420
754116040542541
oct7710441402634
91824726274683
10542315513244
11199aa3a7294a
1289130450110
133c1a8b475cb
141c36913abc8
15e190a52ee9
hex7e4486059c

542315513244 has 48 divisors (see below), whose sum is σ = 1268694554400. Its totient is φ = 180301793280.

The previous prime is 542315513239. The next prime is 542315513273. The reversal of 542315513244 is 442315513245.

It is a super-2 number, since 2×5423155132442 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29539972 + ... + 29558324.

It is an arithmetic number, because the mean of its divisors is an integer number (26431136550).

Almost surely, 2542315513244 is an apocalyptic number.

It is an amenable number.

542315513244 is an abundant number, since it is smaller than the sum of its proper divisors (726379041156).

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

542315513244 is a wasteful number, since it uses less digits than its factorization.

542315513244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24630 (or 24628 counting only the distinct ones).

The product of its digits is 288000, while the sum is 39.

Subtracting from 542315513244 its reverse (442315513245), we obtain a palindrome (99999999999).

The spelling of 542315513244 in words is "five hundred forty-two billion, three hundred fifteen million, five hundred thirteen thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 421 842 1263 1684 2526 5052 5849 11698 17547 18353 23396 35094 36706 55059 70188 73412 110118 220236 2462429 4924858 7387287 7726613 9849716 14774574 15453226 23179839 29549148 30906452 46359678 92719356 107346697 214693394 322040091 429386788 644080182 1288160364 45192959437 90385918874 135578878311 180771837748 271157756622 542315513244