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42108794024 = 2311478509023
BaseRepresentation
bin100111001101111000…
…010011010010101000
311000200122010101001212
4213031320103102220
51142214322402044
631202225332252
73020331562223
oct471570232250
9130618111055
1042108794024
1116949353220
1281b2197088
133c80c2c08b
1420766a65ba
151166bd9a9e
hex9cde134a8

42108794024 has 16 divisors (see below), whose sum is σ = 86131624320. Its totient is φ = 19140360880.

The previous prime is 42108793939. The next prime is 42108794027. The reversal of 42108794024 is 42049780124.

It is a super-2 number, since 2×421087940242 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42108794027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239254424 + ... + 239254599.

It is an arithmetic number, because the mean of its divisors is an integer number (5383226520).

Almost surely, 242108794024 is an apocalyptic number.

42108794024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42108794024 is an abundant number, since it is smaller than the sum of its proper divisors (44022830296).

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

42108794024 is a wasteful number, since it uses less digits than its factorization.

42108794024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478509040 (or 478509036 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 42108794024 in words is "forty-two billion, one hundred eight million, seven hundred ninety-four thousand, twenty-four".

Divisors: 1 2 4 8 11 22 44 88 478509023 957018046 1914036092 3828072184 5263599253 10527198506 21054397012 42108794024