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28252512244483 = 195943181172103
BaseRepresentation
bin1100110110010000011001…
…11101001101001100000011
310201000220200011012000012021
412123020030331031030003
512200342121113310413
6140031005215542311
75644114406504632
oct633101475151403
9121026604160167
1028252512244483
119002906690a2a
12320363922a997
13129c27b592577
146d9600c29519
1533eda545e18d
hex19b20cf4d303

28252512244483 has 32 divisors (see below), whose sum is σ = 30351515443200. Its totient is φ = 26218104170400.

The previous prime is 28252512244471. The next prime is 28252512244493. The reversal of 28252512244483 is 38444221525282.

It is a cyclic number.

It is not a de Polignac number, because 28252512244483 - 217 = 28252512113411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28252512244483.

It is not an unprimeable number, because it can be changed into a prime (28252512244423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391799410 + ... + 391871512.

It is an arithmetic number, because the mean of its divisors is an integer number (948484857600).

Almost surely, 228252512244483 is an apocalyptic number.

28252512244483 is a deficient number, since it is larger than the sum of its proper divisors (2099003198717).

28252512244483 is a wasteful number, since it uses less digits than its factorization.

28252512244483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73423.

The product of its digits is 9830400, while the sum is 52.

The spelling of 28252512244483 in words is "twenty-eight trillion, two hundred fifty-two billion, five hundred twelve million, two hundred forty-four thousand, four hundred eighty-three".

Divisors: 1 19 59 431 811 1121 8189 15409 25429 47849 72103 349541 483151 909131 1369957 4254077 6641279 20622919 31076393 58475533 80827463 391835461 590451467 1111035127 1833507187 3450056447 25202954723 34836636553 65551072493 478856139737 1486974328657 28252512244483