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42121414112240 = 2451035111822101
BaseRepresentation
bin10011001001111001001111…
…11011001111001111110000
312112010202201202211211002102
421210330213323033033300
521010104124003042430
6225330151023035532
711605112623344311
oct1144744773171760
9175122652754072
1042121414112240
111246a656188481
1248834b443bba8
131a67055c961a8
14a5898a018608
154d0a1bdd1345
hex264f27ecf3f0

42121414112240 has 40 divisors (see below), whose sum is σ = 98883086741088. Its totient is φ = 16684987334400.

The previous prime is 42121414112221. The next prime is 42121414112263. The reversal of 42121414112240 is 4221141412124.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×421214141122402 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2555902811 + ... + 2555919290.

Almost surely, 242121414112240 is an apocalyptic number.

42121414112240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42121414112240 is an abundant number, since it is smaller than the sum of its proper divisors (56761672628848).

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

42121414112240 is a wasteful number, since it uses less digits than its factorization.

42121414112240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111822217 (or 5111822211 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

Adding to 42121414112240 its reverse (4221141412124), we get a palindrome (46342555524364).

The spelling of 42121414112240 in words is "forty-two trillion, one hundred twenty-one billion, four hundred fourteen million, one hundred twelve thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 103 206 412 515 824 1030 1648 2060 4120 8240 5111822101 10223644202 20447288404 25559110505 40894576808 51118221010 81789153616 102236442020 204472884040 408945768080 526517676403 1053035352806 2106070705612 2632588382015 4212141411224 5265176764030 8424282822448 10530353528060 21060707056120 42121414112240