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121414514131 = 1761230950707
BaseRepresentation
bin111000100010011011…
…1100111010111010011
3102121101120211101002201
41301010313213113103
53442124103423011
6131435502224031
711525523225211
oct1610467472723
9377346741081
10121414514131
1147545367569
121b645585017
13b5ac278291
145c3b155cb1
153259265cc1
hex1c44de75d3

121414514131 has 16 divisors (see below), whose sum is σ = 130723195680. Its totient is φ = 112348270080.

The previous prime is 121414514129. The next prime is 121414514141. The reversal of 121414514131 is 131415414121.

It is a cyclic number.

It is not a de Polignac number, because 121414514131 - 21 = 121414514129 is a prime.

It is a super-2 number, since 2×1214145141312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121414514131.

It is not an unprimeable number, because it can be changed into a prime (121414514101) 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, 2369080 + ... + 2419786.

It is an arithmetic number, because the mean of its divisors is an integer number (8170199730).

Almost surely, 2121414514131 is an apocalyptic number.

121414514131 is a deficient number, since it is larger than the sum of its proper divisors (9308681549).

121414514131 is a wasteful number, since it uses less digits than its factorization.

121414514131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53094.

The product of its digits is 1920, while the sum is 28.

Adding to 121414514131 its reverse (131415414121), we get a palindrome (252829928252).

The spelling of 121414514131 in words is "one hundred twenty-one billion, four hundred fourteen million, five hundred fourteen thousand, one hundred thirty-one".

Divisors: 1 17 61 1037 2309 39253 50707 140849 862019 2394433 3093127 52583159 117082463 1990401871 7142030243 121414514131