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28025250530530 = 25111061337371191
BaseRepresentation
bin1100101111101001000110…
…00110100100010011100010
310200020012001220011202121111
412113310203012210103202
512133131203113434110
6135334342232413534
75621520556014211
oct627644306442342
9120205056152544
1028025250530530
118a25495342620
1231875938472aa
131283a012ab406
146cc60225b078
153390039a9e8a
hex197d231a44e2

28025250530530 has 64 divisors (see below), whose sum is σ = 55100373140736. Its totient is φ = 10178233632000.

The previous prime is 28025250530471. The next prime is 28025250530549. The reversal of 28025250530530 is 3503505252082.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393627235 + ... + 393698425.

It is an arithmetic number, because the mean of its divisors is an integer number (860943330324).

Almost surely, 228025250530530 is an apocalyptic number.

28025250530530 is a deficient number, since it is larger than the sum of its proper divisors (27075122610206).

28025250530530 is a wasteful number, since it uses less digits than its factorization.

28025250530530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75643.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 28025250530530 in words is "twenty-eight trillion, twenty-five billion, two hundred fifty million, five hundred thirty thousand, five hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 1061 2122 3373 5305 6746 10610 11671 16865 23342 33730 37103 58355 71191 74206 116710 142382 185515 355955 371030 711910 783101 1566202 3578753 3915505 7157506 7831010 17893765 35787530 39366283 75533651 78732566 151067302 196831415 240127243 377668255 393662830 480254486 755336510 830870161 1200636215 1661740322 2401272430 2641399673 4154350805 5282799346 8308701610 13206998365 26413996730 254775004823 509550009646 1273875024115 2547750048230 2802525053053 5605050106106 14012625265265 28025250530530