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214661449290 = 2357155381643
BaseRepresentation
bin1100011111101011010…
…0011100011001001010
3202112002010101110220210
43013322310130121022
512004111312334130
6242340351501550
721336340133061
oct3077264343112
9675063343823
10214661449290
1183045879042
12357298278b6
131731c990462
14a5653791d8
1558b56b25b0
hex31fad1c64a

214661449290 has 16 divisors (see below), whose sum is σ = 515187478368. Its totient is φ = 57243053136.

The previous prime is 214661449237. The next prime is 214661449363. The reversal of 214661449290 is 92944166412.

It is a super-2 number, since 2×2146614492902 (a number of 23 digits) contains 22 as substring.

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, 3577690792 + ... + 3577690851.

It is an arithmetic number, because the mean of its divisors is an integer number (32199217398).

Almost surely, 2214661449290 is an apocalyptic number.

214661449290 is an abundant number, since it is smaller than the sum of its proper divisors (300526029078).

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

214661449290 is a wasteful number, since it uses less digits than its factorization.

214661449290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7155381653.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 214661449290 in words is "two hundred fourteen billion, six hundred sixty-one million, four hundred forty-nine thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 7155381643 14310763286 21466144929 35776908215 42932289858 71553816430 107330724645 214661449290