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42698016018 = 23272151523613
BaseRepresentation
bin100111110001000000…
…000000010100010010
311002012200211221200200
4213301000000110102
51144421143003033
631340514400030
73041045101500
oct476100002422
9132180757620
1042698016018
1117120a0a449
128337590016
134046022c48
1420d0a45670
15119d7c9013
hex9f1000512

42698016018 has 144 divisors (see below), whose sum is σ = 108713307456. Its totient is φ = 12075739200.

The previous prime is 42698016013. The next prime is 42698016029. The reversal of 42698016018 is 81061089624.

It is not an unprimeable number, because it can be changed into a prime (42698016013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 69653880 + ... + 69654492.

It is an arithmetic number, because the mean of its divisors is an integer number (754953524).

Almost surely, 242698016018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42698016018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54356653728).

42698016018 is an abundant number, since it is smaller than the sum of its proper divisors (66015291438).

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

42698016018 is a wasteful number, since it uses less digits than its factorization.

42698016018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 42698016018 in words is "forty-two billion, six hundred ninety-eight million, sixteen thousand, eighteen".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 151 294 302 441 453 523 613 882 906 1046 1057 1226 1359 1569 1839 2114 2718 3138 3171 3661 3678 4291 4707 5517 6342 7322 7399 8582 9414 9513 10983 11034 12873 14798 19026 21966 22197 25627 25746 30037 32949 38619 44394 51254 60074 65898 66591 76881 77238 78973 90111 92563 133182 153762 157946 180222 185126 230643 236919 270333 277689 320599 461286 473838 540666 552811 555378 641198 647941 710757 833067 961797 1105622 1295882 1421514 1658433 1666134 1923594 1943823 2244193 2885391 3316866 3869677 3887646 4488386 4535587 4975299 5770782 5831469 6732579 7739354 9071174 9950598 11609031 11662938 13465158 13606761 15709351 20197737 23218062 27213522 31418702 34827093 40395474 40820283 47128053 48410449 69654186 81640566 94256106 96820898 141384159 145231347 282768318 290462694 338873143 435694041 677746286 871388082 1016619429 2033238858 2372112001 3049858287 4744224002 6099716574 7116336003 14232672006 21349008009 42698016018