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131200012041 = 3727772249773
BaseRepresentation
bin111101000110000100…
…0010100111100001001
3110112122112222011200020
41322030020110330021
54122144200341131
6140134503331053
712323154462510
oct1721410247411
9415575864606
10131200012041
1150706a93a1a
1221516750a89
13c4ab6a1627
1464c89dd677
15362d3a2996
hex1e8c214f09

131200012041 has 16 divisors (see below), whose sum is σ = 199995909504. Its totient is φ = 74944404864.

The previous prime is 131200012007. The next prime is 131200012087. The reversal of 131200012041 is 140210002131.

It is not a de Polignac number, because 131200012041 - 27 = 131200011913 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131200012041.

It is not an unprimeable number, because it can be changed into a prime (131200012001) 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, 1066570 + ... + 1183203.

It is an arithmetic number, because the mean of its divisors is an integer number (12499744344).

Almost surely, 2131200012041 is an apocalyptic number.

It is an amenable number.

131200012041 is a deficient number, since it is larger than the sum of its proper divisors (68795897463).

131200012041 is a wasteful number, since it uses less digits than its factorization.

131200012041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252560.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 131200012041 its reverse (140210002131), we get a palindrome (271410014172).

The spelling of 131200012041 in words is "one hundred thirty-one billion, two hundred million, twelve thousand, forty-one".

Divisors: 1 3 7 21 2777 8331 19439 58317 2249773 6749319 15748411 47245233 6247619621 18742858863 43733337347 131200012041