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1415001521131 = 11128636501921
BaseRepresentation
bin10100100101110100101…
…010011011101111101011
312000021100220000000202121
4110211310222123233223
5141140410342134011
63002013121212111
7204142025323162
oct24456452335753
95007326000677
101415001521131
114a610a519140
121aa2a1191037
13a35848663b3
144c6b4b083d9
1526c1a174e71
hex14974a9bbeb

1415001521131 has 4 divisors (see below), whose sum is σ = 1543638023064. Its totient is φ = 1286365019200.

The previous prime is 1415001521093. The next prime is 1415001521173. The reversal of 1415001521131 is 1311251005141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1415001521131 - 29 = 1415001520619 is a prime.

It is a super-2 number, since 2×14150015211312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1415001521096 and 1415001521105.

It is not an unprimeable number, because it can be changed into a prime (1415001521231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64318250950 + ... + 64318250971.

It is an arithmetic number, because the mean of its divisors is an integer number (385909505766).

Almost surely, 21415001521131 is an apocalyptic number.

1415001521131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1415001521131 is a deficient number, since it is larger than the sum of its proper divisors (128636501933).

1415001521131 is a wasteful number, since it uses less digits than its factorization.

1415001521131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128636501932.

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 1415001521131 its reverse (1311251005141), we get a palindrome (2726252526272).

The spelling of 1415001521131 in words is "one trillion, four hundred fifteen billion, one million, five hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 11 128636501921 1415001521131