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28950298264 = 233618787283
BaseRepresentation
bin11010111101100100…
…100111111010011000
32202201121002112022001
4122331210213322120
5433242234021024
621144413210344
72043262321636
oct327544477230
982647075261
1028950298264
1111306763638
12573b4909b4
132964a75504
141588c80356
15b468cb244
hex6bd927e98

28950298264 has 8 divisors (see below), whose sum is σ = 54281809260. Its totient is φ = 14475149128.

The previous prime is 28950298261. The next prime is 28950298369. The reversal of 28950298264 is 46289205982.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×289502982642 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28950298261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1809393634 + ... + 1809393649.

Almost surely, 228950298264 is an apocalyptic number.

It is an amenable number.

28950298264 is a deficient number, since it is larger than the sum of its proper divisors (25331510996).

28950298264 is a wasteful number, since it uses less digits than its factorization.

28950298264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618787289 (or 3618787285 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 28950298264 in words is "twenty-eight billion, nine hundred fifty million, two hundred ninety-eight thousand, two hundred sixty-four".

Divisors: 1 2 4 8 3618787283 7237574566 14475149132 28950298264