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29094493220 = 22513111901897
BaseRepresentation
bin11011000110001010…
…101011110000100100
32210002122102101120222
4123012022223300210
5434041142240340
621211003543512
72046663053252
oct330612536044
983078371528
1029094493220
11113800a0421
12577b82ab98
1329888c1080
1415a00975d2
15b543b08b5
hex6c62abc24

29094493220 has 24 divisors (see below), whose sum is σ = 65798316024. Its totient is φ = 10742582016.

The previous prime is 29094493199. The next prime is 29094493231. The reversal of 29094493220 is 2239449092.

It can be written as a sum of positive squares in 4 ways, for example, as 549714916 + 28544778304 = 23446^2 + 168952^2 .

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, 55950689 + ... + 55951208.

It is an arithmetic number, because the mean of its divisors is an integer number (2741596501).

Almost surely, 229094493220 is an apocalyptic number.

29094493220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29094493220 is an abundant number, since it is smaller than the sum of its proper divisors (36703822804).

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

29094493220 is a wasteful number, since it uses less digits than its factorization.

29094493220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111901919 (or 111901917 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 29094493220 in words is "twenty-nine billion, ninety-four million, four hundred ninety-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 111901897 223803794 447607588 559509485 1119018970 1454724661 2238037940 2909449322 5818898644 7273623305 14547246610 29094493220