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42030304244240 = 2451399679405439
BaseRepresentation
bin10011000111001111100010…
…10110101011001000010000
312111211001120011112222021212
421203213301112223020100
521002111030341303430
6225220242154235252
711565406056265064
oct1143476126531020
9174731504488255
1042030304244240
1112434a52022104
124869907a25b28
131a5b5962497b0
14a543c596daa4
154cd4883beb95
hex2639f15ab210

42030304244240 has 80 divisors (see below), whose sum is σ = 105238730956800. Its totient is φ = 15518687602176.

The previous prime is 42030304244237. The next prime is 42030304244359. The reversal of 42030304244240 is 4244240303024.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 42030304244197 and 42030304244206.

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, 103463441 + ... + 103868879.

It is an arithmetic number, because the mean of its divisors is an integer number (1315484136960).

Almost surely, 242030304244240 is an apocalyptic number.

42030304244240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42030304244240 is an abundant number, since it is smaller than the sum of its proper divisors (63208426712560).

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

42030304244240 is a wasteful number, since it uses less digits than its factorization.

42030304244240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505144 (or 505138 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 42030304244240 its reverse (4244240303024), we get a palindrome (46274544547264).

The spelling of 42030304244240 in words is "forty-two trillion, thirty billion, three hundred four million, two hundred forty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 99679 199358 398716 405439 498395 797432 810878 996790 1295827 1594864 1621756 1993580 2027195 2591654 3243512 3987160 4054390 5183308 5270707 6479135 6487024 7974320 8108780 10366616 10541414 12958270 16217560 20733232 21082828 25916540 26353535 32435120 42165656 51833080 52707070 84331312 103666160 105414140 210828280 421656560 40413754081 80827508162 161655016324 202068770405 323310032648 404137540810 525378803053 646620065296 808275081620 1050757606106 1616550163240 2101515212212 2626894015265 3233100326480 4203030424424 5253788030530 8406060848848 10507576061060 21015152122120 42030304244240