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42051530916 = 2233389366027
BaseRepresentation
bin100111001010011101…
…110111000010100100
311000112122101002212000
4213022131313002210
51142110142442131
631152422125300
73016035054333
oct471235670244
9130478332760
1042051530916
1116919aa163a
128196b80830
133c720cca95
14206cc3bd1a
151161b77ce6
hex9ca7770a4

42051530916 has 24 divisors (see below), whose sum is σ = 109022487840. Its totient is φ = 14017176936.

The previous prime is 42051530779. The next prime is 42051530921. The reversal of 42051530916 is 61903515024.

42051530916 is a `hidden beast` number, since 4 + 20 + 515 + 30 + 91 + 6 = 666.

42051530916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 194682906 + ... + 194683121.

It is an arithmetic number, because the mean of its divisors is an integer number (4542603660).

Almost surely, 242051530916 is an apocalyptic number.

It is an amenable number.

42051530916 is an abundant number, since it is smaller than the sum of its proper divisors (66970956924).

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

42051530916 is a wasteful number, since it uses less digits than its factorization.

42051530916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389366040 (or 389366032 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

It can be divided in two parts, 4205 and 1530916, that added together give a square (1535121 = 12392).

The spelling of 42051530916 in words is "forty-two billion, fifty-one million, five hundred thirty thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 389366027 778732054 1168098081 1557464108 2336196162 3504294243 4672392324 7008588486 10512882729 14017176972 21025765458 42051530916