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42110105240 = 2357150393233
BaseRepresentation
bin100111001101111101…
…010011011010011000
311000200201120222201102
4213031331103122120
51142220141331430
631202313410532
73020345663060
oct471575233230
9130621528642
1042110105240
111694a069375
1281b2709a48
133c8129ab48
1420769283a0
151166d98345
hex9cdf53698

42110105240 has 32 divisors (see below), whose sum is σ = 108283128480. Its totient is φ = 14437750272.

The previous prime is 42110105227. The next prime is 42110105293. The reversal of 42110105240 is 4250101124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 75196337 + ... + 75196896.

It is an arithmetic number, because the mean of its divisors is an integer number (3383847765).

Almost surely, 242110105240 is an apocalyptic number.

42110105240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42110105240 is an abundant number, since it is smaller than the sum of its proper divisors (66173023240).

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

42110105240 is a wasteful number, since it uses less digits than its factorization.

42110105240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150393251 (or 150393247 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 42110105240 its reverse (4250101124), we get a palindrome (46360206364).

The spelling of 42110105240 in words is "forty-two billion, one hundred ten million, one hundred five thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 150393233 300786466 601572932 751966165 1052752631 1203145864 1503932330 2105505262 3007864660 4211010524 5263763155 6015729320 8422021048 10527526310 21055052620 42110105240