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28495141130 = 25191271180901
BaseRepresentation
bin11010100010011100…
…010101100100001010
32201112212122011002102
4122202130111210022
5431324224004010
621031313433402
72026064463131
oct324234254412
981485564072
1028495141130
11110a2845315
125632b6b862
1328c1691371
14154463c918
15b1b96eba5
hex6a271590a

28495141130 has 32 divisors (see below), whose sum is σ = 54415964160. Its totient is φ = 10713124800.

The previous prime is 28495141123. The next prime is 28495141133. The reversal of 28495141130 is 3114159482.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (28495141133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566321 + ... + 614580.

It is an arithmetic number, because the mean of its divisors is an integer number (1700498880).

Almost surely, 228495141130 is an apocalyptic number.

28495141130 is a deficient number, since it is larger than the sum of its proper divisors (25920823030).

28495141130 is a wasteful number, since it uses less digits than its factorization.

28495141130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181054.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 28495141130 in words is "twenty-eight billion, four hundred ninety-five million, one hundred forty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 19 38 95 127 190 254 635 1270 2413 4826 12065 24130 1180901 2361802 5904505 11809010 22437119 44874238 112185595 149974427 224371190 299948854 749872135 1499744270 2849514113 5699028226 14247570565 28495141130