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28851466612 = 22139257201911
BaseRepresentation
bin11010110111101011…
…100111000101110100
32202110201010100202111
4122313223213011310
5433041433412422
621130523020404
72040652264003
oct326753470564
982421110674
1028851466612
111126599a991
12571236a704
13294a450747
141579ab4c3a
15b3cda7a77
hex6b7ae7174

28851466612 has 24 divisors (see below), whose sum is σ = 51051430080. Its totient is φ = 14266152960.

The previous prime is 28851466583. The next prime is 28851466613. The reversal of 28851466612 is 21666415882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28851466613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41937 + ... + 243847.

It is an arithmetic number, because the mean of its divisors is an integer number (2127142920).

Almost surely, 228851466612 is an apocalyptic number.

It is an amenable number.

28851466612 is a deficient number, since it is larger than the sum of its proper divisors (22199963468).

28851466612 is a wasteful number, since it uses less digits than its factorization.

28851466612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202311 (or 202309 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The spelling of 28851466612 in words is "twenty-eight billion, eight hundred fifty-one million, four hundred sixty-six thousand, six hundred twelve".

Divisors: 1 2 4 139 257 278 514 556 1028 35723 71446 142892 201911 403822 807644 28065629 51891127 56131258 103782254 112262516 207564508 7212866653 14425733306 28851466612