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28923904110144 = 263374071495511
BaseRepresentation
bin1101001001110010111110…
…00001111010111001000000
310210102002122121102121022010
412210321133001322321000
512242342123423011034
6141303242541412520
76043453210265661
oct644713701727100
9123362577377263
1028923904110144
11924161690989a
1232b1790b6a140
13131a687b28564
1471dcd28bb368
1535259cbc73e9
hex1a4e5f07ae40

28923904110144 has 56 divisors (see below), whose sum is σ = 78596149363648. Its totient is φ = 9380725655040.

The previous prime is 28923904110139. The next prime is 28923904110151. The reversal of 28923904110144 is 44101140932982.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 28923904110093 and 28923904110102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035740652 + ... + 2035754859.

It is an arithmetic number, because the mean of its divisors is an integer number (1403502667208).

Almost surely, 228923904110144 is an apocalyptic number.

28923904110144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28923904110144 is an abundant number, since it is smaller than the sum of its proper divisors (49672245253504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28923904110144 is a wasteful number, since it uses less digits than its factorization.

28923904110144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071495563 (or 4071495553 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 28923904110144 in words is "twenty-eight trillion, nine hundred twenty-three billion, nine hundred four million, one hundred ten thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 37 48 64 74 96 111 148 192 222 296 444 592 888 1184 1776 2368 3552 7104 4071495511 8142991022 12214486533 16285982044 24428973066 32571964088 48857946132 65143928176 97715892264 130287856352 150645333907 195431784528 260575712704 301290667814 390863569056 451936001721 602581335628 781727138112 903872003442 1205162671256 1807744006884 2410325342512 3615488013768 4820650685024 7230976027536 9641301370048 14461952055072 28923904110144