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28294980074 = 215193691987
BaseRepresentation
bin11010010110100000…
…110010000111101010
32201000220222220201222
4122112200302013222
5430422003330244
620555403342042
72021114235164
oct322640620752
981026886658
1028294980074
1110aaa862359
125597b21922
13288c07b97a
141525c17934
15b090d2bee
hex6968321ea

28294980074 has 8 divisors (see below), whose sum is σ = 42723546528. Its totient is φ = 14053797900.

The previous prime is 28294980073. The next prime is 28294980079. The reversal of 28294980074 is 47008949282.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28294979998 and 28294980025.

It is not an unprimeable number, because it can be changed into a prime (28294980073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46845692 + ... + 46846295.

It is an arithmetic number, because the mean of its divisors is an integer number (5340443316).

Almost surely, 228294980074 is an apocalyptic number.

28294980074 is a deficient number, since it is larger than the sum of its proper divisors (14428566454).

28294980074 is a wasteful number, since it uses less digits than its factorization.

28294980074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93692140.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 28294980074 in words is "twenty-eight billion, two hundred ninety-four million, nine hundred eighty thousand, seventy-four".

Divisors: 1 2 151 302 93691987 187383974 14147490037 28294980074