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1828912731129 = 3211210723832
BaseRepresentation
bin11010100111010011101…
…100011001001111111001
320110211202001222002100100
4122213103230121033321
5214431103124344004
63520105123030013
7246064106466561
oct32472354311771
96424661862310
101828912731129
11645701614500
1225655720b309
13103609296333
146473c66dda1
1532892eb3739
hex1a9d3b193f9

1828912731129 has 81 divisors (see below), whose sum is σ = 2938820480869. Its totient is φ = 1095205750320.

The previous prime is 1828912731119. The next prime is 1828912731167. The reversal of 1828912731129 is 9211372198281.

The square root of 1828912731129 is 1352373.

It is a perfect power (a square), and thus also a powerful number.

1828912731129 is a `hidden beast` number, since 1 + 8 + 289 + 1 + 27 + 311 + 29 = 666.

It is not a de Polignac number, because 1828912731129 - 25 = 1828912731097 is a prime.

It is a super-2 number, since 2×18289127311292 (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

Its product of digits (870912) is a multiple of the sum of its prime divisors (504).

It is not an unprimeable number, because it can be changed into a prime (1828912731119) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4775228872 + ... + 4775229254.

Almost surely, 21828912731129 is an apocalyptic number.

1828912731129 is the 1352373-rd square number.

1828912731129 is the 676187-th centered octagonal number.

It is an amenable number.

1828912731129 is a deficient number, since it is larger than the sum of its proper divisors (1109907749740).

1828912731129 is an equidigital number, since it uses as much as digits as its factorization.

1828912731129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 504 counting only the distinct ones).

The product of its digits is 870912, while the sum is 54.

The spelling of 1828912731129 in words is "one trillion, eight hundred twenty-eight billion, nine hundred twelve million, seven hundred thirty-one thousand, one hundred twenty-nine".

Divisors: 1 3 9 11 33 99 107 121 321 363 383 963 1089 1149 1177 3447 3531 4213 10593 11449 12639 12947 34347 37917 38841 40981 46343 103041 116523 122943 125939 139029 146689 368829 377817 417087 440067 450791 1133451 1320201 1352373 1385329 1613579 4057119 4155987 4384967 4840737 4958701 12467961 13154901 14522211 14876103 15695723 17749369 39464703 44628309 47087169 48234637 53248107 141261507 144703911 159744321 172652953 434111733 517958859 530581007 1553876577 1591743021 1679442361 1899182483 4775229063 5038327083 5697547449 15114981249 17092642347 18473865971 55421597913 166264793739 203212525681 609637577043 1828912731129