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28449200006488 = 236143578894677
BaseRepresentation
bin1100111011111110110000…
…11101011110010101011000
310201201201100122220120100101
412131333120131132111120
512212102430200201423
6140301214305145144
75664246461056252
oct635773035362530
9121651318816311
1028449200006488
119079268809758
12323578b62b1b4
1312b4995605cb1
14704d3d066cd2
15345067c147ad
hex19dfd875e558

28449200006488 has 16 divisors (see below), whose sum is σ = 53350933524480. Its totient is φ = 14222284399968.

The previous prime is 28449200006483. The next prime is 28449200006537. The reversal of 28449200006488 is 88460000294482.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28449200006483) 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, 289398195 + ... + 289496482.

It is an arithmetic number, because the mean of its divisors is an integer number (3334433345280).

Almost surely, 228449200006488 is an apocalyptic number.

It is an amenable number.

28449200006488 is a deficient number, since it is larger than the sum of its proper divisors (24901733517992).

28449200006488 is a wasteful number, since it uses less digits than its factorization.

28449200006488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578900826 (or 578900822 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 55.

The spelling of 28449200006488 in words is "twenty-eight trillion, four hundred forty-nine billion, two hundred million, six thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 6143 12286 24572 49144 578894677 1157789354 2315578708 4631157416 3556150000811 7112300001622 14224600003244 28449200006488