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542450115660 = 223516355465247
BaseRepresentation
bin1111110010011001000…
…10111110010001001100
31220212011021121000120110
413321030202332101030
532341414212200120
61053110444320020
754122263622445
oct7711442762114
91825137530513
10542450115660
1119a062a48712
1289169543010
133c1ca9b4bcb
141c37cd782cc
15e19c7902e0
hex7e4c8be44c

542450115660 has 48 divisors (see below), whose sum is σ = 1528178512896. Its totient is φ = 143765917632.

The previous prime is 542450115659. The next prime is 542450115671. The reversal of 542450115660 is 66511054245.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27722844 + ... + 27742403.

It is an arithmetic number, because the mean of its divisors is an integer number (31837052352).

Almost surely, 2542450115660 is an apocalyptic number.

It is an amenable number.

542450115660 is an abundant number, since it is smaller than the sum of its proper divisors (985728397236).

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

542450115660 is a wasteful number, since it uses less digits than its factorization.

542450115660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55465422 (or 55465420 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 542450115660 in words is "five hundred forty-two billion, four hundred fifty million, one hundred fifteen thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 163 326 489 652 815 978 1630 1956 2445 3260 4890 9780 55465247 110930494 166395741 221860988 277326235 332791482 554652470 665582964 831978705 1109304940 1663957410 3327914820 9040835261 18081670522 27122505783 36163341044 45204176305 54245011566 90408352610 108490023132 135612528915 180816705220 271225057830 542450115660