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542298702648 = 233431574637229
BaseRepresentation
bin1111110010000111000…
…01011000001100111000
31220211202201200102222010
413321003201120030320
532341111431441043
61053043435125520
754115444626213
oct7710341301470
91824681612863
10542298702648
11199a9553089a
12891268a38a0
133c1a550cb01
141c366c0277a
15e18e332133
hex7e43858338

542298702648 has 128 divisors (see below), whose sum is σ = 1399320806400. Its totient is φ = 175034635776.

The previous prime is 542298702637. The next prime is 542298702653. The reversal of 542298702648 is 846207892245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75013498 + ... + 75020726.

It is an arithmetic number, because the mean of its divisors is an integer number (10932193800).

Almost surely, 2542298702648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542298702648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (699660403200).

542298702648 is an abundant number, since it is smaller than the sum of its proper divisors (857022103752).

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

542298702648 is a wasteful number, since it uses less digits than its factorization.

542298702648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901 (or 7897 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 542298702648 in words is "five hundred forty-two billion, two hundred ninety-eight million, seven hundred two thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 157 172 258 314 344 463 471 516 628 926 942 1032 1256 1389 1852 1884 2778 3704 3768 5556 6751 7229 11112 13502 14458 19909 20253 21687 27004 28916 39818 40506 43374 54008 57832 59727 72691 79636 81012 86748 119454 145382 159272 162024 173496 218073 238908 290764 310847 436146 477816 581528 621694 872292 932541 1134953 1243388 1744584 1865082 2269906 2486776 3125713 3347027 3404859 3730164 4539812 6251426 6694054 6809718 7460328 9079624 9377139 10041081 12502852 13388108 13619436 18754278 20082162 25005704 26776216 27238872 37508556 40164324 48802979 75017112 80328648 97605958 143922161 146408937 195211916 287844322 292817874 390423832 431766483 525483239 575688644 585635748 863532966 1050966478 1151377288 1171271496 1576449717 1727065932 2101932956 3152899434 3454131864 4203865912 6305798868 12611597736 22595779277 45191558554 67787337831 90383117108 135574675662 180766234216 271149351324 542298702648