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2018281850412 = 223198852113379
BaseRepresentation
bin11101010111101010111…
…110010000011000101100
321010221112112101002001220
4131113222332100120230
5231031420123203122
64143104052303340
7265546622445342
oct35275276203054
97127475332056
102018281850412
11708a48540673
122871a6611b50
13118427ca9639
146d9848c7992
1537777eac25c
hex1d5eaf9062c

2018281850412 has 24 divisors (see below), whose sum is σ = 4957183492800. Its totient is φ = 637352163216.

The previous prime is 2018281850401. The next prime is 2018281850441. The reversal of 2018281850412 is 2140581828102.

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, 4426056462 + ... + 4426056917.

It is an arithmetic number, because the mean of its divisors is an integer number (206549312200).

Almost surely, 22018281850412 is an apocalyptic number.

It is an amenable number.

2018281850412 is an abundant number, since it is smaller than the sum of its proper divisors (2938901642388).

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

2018281850412 is a wasteful number, since it uses less digits than its factorization.

2018281850412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8852113405 (or 8852113403 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 42.

The spelling of 2018281850412 in words is "two trillion, eighteen billion, two hundred eighty-one million, eight hundred fifty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 8852113379 17704226758 26556340137 35408453516 53112680274 106225360548 168190154201 336380308402 504570462603 672760616804 1009140925206 2018281850412