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42708091860 = 22335711298437
BaseRepresentation
bin100111110001100110…
…011100001111010100
311002020101210212011000
4213301212130033110
51144431232414420
631341514343300
73041226535230
oct476146341724
9132211725130
1042708091860
1117126671595
12833aa2ab30
134048140195
1420d21095c0
15119e619690
hex9f199c3d4

42708091860 has 96 divisors (see below), whose sum is σ = 151851006720. Its totient is φ = 9761848704.

The previous prime is 42708091841. The next prime is 42708091897. The reversal of 42708091860 is 6819080724.

42708091860 is a `hidden beast` number, since 427 + 0 + 80 + 91 + 8 + 60 = 666.

It is a super-2 number, since 2×427080918602 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5645439 + ... + 5652998.

It is an arithmetic number, because the mean of its divisors is an integer number (1581781320).

Almost surely, 242708091860 is an apocalyptic number.

It is an amenable number.

42708091860 is an abundant number, since it is smaller than the sum of its proper divisors (109142914860).

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

42708091860 is a wasteful number, since it uses less digits than its factorization.

42708091860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11298462 (or 11298454 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 42708091860 in words is "forty-two billion, seven hundred eight million, ninety-one thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 180 189 210 252 270 315 378 420 540 630 756 945 1260 1890 3780 11298437 22596874 33895311 45193748 56492185 67790622 79089059 101685933 112984370 135581244 158178118 169476555 203371866 225968740 237267177 305057799 316356236 338953110 395445295 406743732 474534354 508429665 610115598 677906220 711801531 790890590 949068708 1016859330 1186335885 1220231196 1423603062 1525288995 1581781180 2033718660 2135404593 2372671770 2847206124 3050577990 3559007655 4270809186 4745343540 6101155980 7118015310 8541618372 10677022965 14236030620 21354045930 42708091860