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131112203110 = 25723109374507
BaseRepresentation
bin111101000011011100…
…1010111001101100110
3110112102102202000110121
41322012321113031212
54122004210444420
6140122045312154
712321040224010
oct1720671271546
9415372660417
10131112203110
1150671469859
12214b126565a
13c496438a95
1464bb0a31b0
15362580a2aa
hex1e86e57366

131112203110 has 64 divisors (see below), whose sum is σ = 281704614912. Its totient is φ = 42958371456.

The previous prime is 131112203099. The next prime is 131112203143. The reversal of 131112203110 is 11302211131.

It is a happy number.

It is a congruent number.

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, 1722477 + ... + 1796983.

It is an arithmetic number, because the mean of its divisors is an integer number (4401634608).

Almost surely, 2131112203110 is an apocalyptic number.

131112203110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131112203110 is an abundant number, since it is smaller than the sum of its proper divisors (150592411802).

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

131112203110 is a wasteful number, since it uses less digits than its factorization.

131112203110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75637.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 131112203110 its reverse (11302211131), we get a palindrome (142414414241).

The spelling of 131112203110 in words is "one hundred thirty-one billion, one hundred twelve million, two hundred three thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1093 1610 2186 5465 7651 10930 15302 25139 38255 50278 74507 76510 125695 149014 175973 251390 351946 372535 521549 745070 879865 1043098 1713661 1759730 2607745 3427322 5215490 8568305 11995627 17136610 23991254 59978135 81436151 119956270 162872302 407180755 570053057 814361510 1140106114 1873031473 2850265285 3746062946 5700530570 9365157365 13111220311 18730314730 26222440622 65556101555 131112203110