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131212034303210 = 2579112057582473
BaseRepresentation
bin11101110101011000101110…
…101100011110010011101010
3122012120202012021101100020222
4131311120232230132103222
5114144234221240200320
61143021550523250042
736431520346251560
oct3565305654362352
9565522167340228
10131212034303210
1138898790745453
1212871930979922
13582a31b155263
1424589a6ab3a30
1510281d5a2d825
hex77562eb1e4ea

131212034303210 has 32 divisors (see below), whose sum is σ = 270218191145472. Its totient is φ = 44937601188480.

The previous prime is 131212034303201. The next prime is 131212034303213. The reversal of 131212034303210 is 12303430212131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131212034303210.

It is not an unprimeable number, because it can be changed into a prime (131212034303213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028727467 + ... + 1028855006.

It is an arithmetic number, because the mean of its divisors is an integer number (8444318473296).

Almost surely, 2131212034303210 is an apocalyptic number.

131212034303210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131212034303210 is an abundant number, since it is smaller than the sum of its proper divisors (139006156842262).

131212034303210 is a wasteful number, since it uses less digits than its factorization.

131212034303210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057583398.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 131212034303210 its reverse (12303430212131), we get a palindrome (143515464515341).

The spelling of 131212034303210 in words is "one hundred thirty-one trillion, two hundred twelve billion, thirty-four million, three hundred three thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 911 1822 4555 6377 9110 12754 31885 63770 2057582473 4115164946 10287912365 14403077311 20575824730 28806154622 72015386555 144030773110 1874457632903 3748915265806 9372288164515 13121203430321 18744576329030 26242406860642 65606017151605 131212034303210