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28465481949474 = 234744246991579
BaseRepresentation
bin1100111100011101000101…
…11100001010000100100010
310201210021101101020222012210
412132032202330022010202
512212334301334340344
6140312510055502550
75665364115231633
oct636164274120442
9121707341228183
1028465481949474
119085163515489
123238974387a56
1312b638b90709b
14705a4562b88a
153456bc34ddb9
hex19e3a2f0a122

28465481949474 has 8 divisors (see below), whose sum is σ = 56930963898960. Its totient is φ = 9488493983156.

The previous prime is 28465481949449. The next prime is 28465481949497. The reversal of 28465481949474 is 47494918456482.

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

28465481949474 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 28465481949396 and 28465481949405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372123495784 + ... + 2372123495795.

It is an arithmetic number, because the mean of its divisors is an integer number (7116370487370).

Almost surely, 228465481949474 is an apocalyptic number.

28465481949474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28465481949474 is a wasteful number, since it uses less digits than its factorization.

28465481949474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744246991584.

The product of its digits is 2229534720, while the sum is 75.

The spelling of 28465481949474 in words is "twenty-eight trillion, four hundred sixty-five billion, four hundred eighty-one million, nine hundred forty-nine thousand, four hundred seventy-four".

Divisors: 1 2 3 6 4744246991579 9488493983158 14232740974737 28465481949474