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28314612248 = 2313325783591
BaseRepresentation
bin11010010111101011…
…101011001000011000
32201002021221100000112
4122113223223020120
5430442020042443
621001344223452
72021443142636
oct322753531030
981067840015
1028314612248
111100a95129a
1255a260ab88
132893163840
141528688356
15b0abaeb18
hex697aeb218

28314612248 has 32 divisors (see below), whose sum is σ = 57191974560. Its totient is φ = 13064113920.

The previous prime is 28314612233. The next prime is 28314612283. The reversal of 28314612248 is 84221641382.

It is a happy number.

It is a super-2 number, since 2×283146122482 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 296933 + ... + 380523.

It is an arithmetic number, because the mean of its divisors is an integer number (1787249205).

Almost surely, 228314612248 is an apocalyptic number.

It is an amenable number.

28314612248 is an abundant number, since it is smaller than the sum of its proper divisors (28877362312).

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

28314612248 is a wasteful number, since it uses less digits than its factorization.

28314612248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86867 (or 86863 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The spelling of 28314612248 in words is "twenty-eight billion, three hundred fourteen million, six hundred twelve thousand, two hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 3257 6514 13028 26056 42341 83591 84682 167182 169364 334364 338728 668728 1086683 2173366 4346732 8693464 272255887 544511774 1089023548 2178047096 3539326531 7078653062 14157306124 28314612248