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28454854952 = 2361127459127
BaseRepresentation
bin11010100000000010…
…101010000100101000
32201110001211101211202
4122200002222010220
5431233420324302
621023314143332
72025065163536
oct324002520450
981401741752
1028454854952
1111082029757
125621581b48
1328b62274a4
14153d153156
15b18163202
hex6a00aa128

28454854952 has 32 divisors (see below), whose sum is σ = 54654597120. Its totient is φ = 13883970240.

The previous prime is 28454854933. The next prime is 28454854963. The reversal of 28454854952 is 25945845482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167588 + ... + 291539.

It is an arithmetic number, because the mean of its divisors is an integer number (1707956160).

Almost surely, 228454854952 is an apocalyptic number.

It is an amenable number.

28454854952 is a deficient number, since it is larger than the sum of its proper divisors (26199742168).

28454854952 is a wasteful number, since it uses less digits than its factorization.

28454854952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459321 (or 459317 counting only the distinct ones).

The product of its digits is 18432000, while the sum is 56.

The spelling of 28454854952 in words is "twenty-eight billion, four hundred fifty-four million, eight hundred fifty-four thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 61 122 127 244 254 488 508 1016 7747 15494 30988 61976 459127 918254 1836508 3673016 28006747 56013494 58309129 112026988 116618258 224053976 233236516 466473032 3556856869 7113713738 14227427476 28454854952