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131232111010 = 257111313110101
BaseRepresentation
bin111101000111000001…
…0110001100110100010
3110112201210100222011221
41322032002301212202
54122230410023020
6140142011325254
712324024352510
oct1721602614642
9415653328157
10131232111010
11507231183a0
122152545082a
13c4b522cac0
1464ccd974b0
1536310e36aa
hex1e8e0b19a2

131232111010 has 64 divisors (see below), whose sum is σ = 317159587584. Its totient is φ = 37757088000.

The previous prime is 131232111001. The next prime is 131232111041. The reversal of 131232111010 is 10111232131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6545041 + ... + 6565060.

It is an arithmetic number, because the mean of its divisors is an integer number (4955618556).

Almost surely, 2131232111010 is an apocalyptic number.

131232111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131232111010 is an abundant number, since it is smaller than the sum of its proper divisors (185927476574).

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

131232111010 is a wasteful number, since it uses less digits than its factorization.

131232111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13110139.

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

Adding to 131232111010 its reverse (10111232131), we get a palindrome (141343343141).

It can be divided in two parts, 131232 and 111010, that added together give a palindrome (242242).

The spelling of 131232111010 in words is "one hundred thirty-one billion, two hundred thirty-two million, one hundred eleven thousand, ten".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 154 182 286 385 455 715 770 910 1001 1430 2002 5005 10010 13110101 26220202 65550505 91770707 131101010 144211111 170431313 183541414 288422222 340862626 458853535 721055555 852156565 917707070 1009477777 1193019191 1442111110 1704313130 1874744443 2018955554 2386038382 3749488886 5047388885 5965095955 9373722215 10094777770 11930191910 13123211101 18747444430 26246422202 65616055505 131232111010