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42010122120 = 2335550363617
BaseRepresentation
bin100111000111111111…
…111001011110001000
311000102202110022122220
4213013333321132020
51142014042401440
631144342414040
73015023101101
oct470777713610
9130382408586
1042010122120
11168a868959a
128185131320
133c66661c35
14206753d3a8
15115d1e88d0
hex9c7ff9788

42010122120 has 64 divisors (see below), whose sum is σ = 126055249920. Its totient is φ = 11200487424.

The previous prime is 42010122113. The next prime is 42010122163. The reversal of 42010122120 is 2122101024.

It is a super-3 number, since 3×420101221203 (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 42010122120.

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, 628552 + ... + 692168.

It is an arithmetic number, because the mean of its divisors is an integer number (1969613280).

Almost surely, 242010122120 is an apocalyptic number.

42010122120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42010122120 is an abundant number, since it is smaller than the sum of its proper divisors (84045127800).

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

42010122120 is a wasteful number, since it uses less digits than its factorization.

42010122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69134 (or 69130 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 42010122120 its reverse (2122101024), we get a palindrome (44132223144).

The spelling of 42010122120 in words is "forty-two billion, ten million, one hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 5503 11006 16509 22012 27515 33018 44024 55030 63617 66036 82545 110060 127234 132072 165090 190851 220120 254468 318085 330180 381702 508936 636170 660360 763404 954255 1272340 1526808 1908510 2544680 3817020 7634040 350084351 700168702 1050253053 1400337404 1750421755 2100506106 2800674808 3500843510 4201012212 5251265265 7001687020 8402024424 10502530530 14003374040 21005061060 42010122120