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42406046220 = 22352330729019
BaseRepresentation
bin100111011111100110…
…001110101000001100
311001110100110100102110
4213133212032220030
51143321421434340
631251524424020
73030601305546
oct473746165014
9131410410373
1042406046220
1116a9112019a
128275848010
133cca6a7255
1420a3d62696
151182d54680
hex9df98ea0c

42406046220 has 48 divisors (see below), whose sum is σ = 123899408640. Its totient is φ = 10816614336.

The previous prime is 42406046201. The next prime is 42406046227. The reversal of 42406046220 is 2264060424.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (42406046227) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15363130 + ... + 15365889.

It is an arithmetic number, because the mean of its divisors is an integer number (2581237680).

Almost surely, 242406046220 is an apocalyptic number.

It is an amenable number.

42406046220 is an abundant number, since it is smaller than the sum of its proper divisors (81493362420).

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

42406046220 is a wasteful number, since it uses less digits than its factorization.

42406046220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30729054 (or 30729052 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 42406046220 in words is "forty-two billion, four hundred six million, forty-six thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 30729019 61458038 92187057 122916076 153645095 184374114 307290190 368748228 460935285 614580380 706767437 921870570 1413534874 1843741140 2120302311 2827069748 3533837185 4240604622 7067674370 8481209244 10601511555 14135348740 21203023110 42406046220