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10121131010 = 251012113101
BaseRepresentation
bin10010110110100010…
…00011010000000010
3222010100200201122002
421123101003100002
5131212002143020
64352150544002
7505545123404
oct113321032002
928110621562
1010121131010
114324129591
121b65668002
13c53b1c123
146c0294b74
153e3838975
hex25b443402

10121131010 has 8 divisors (see below), whose sum is σ = 18218035836. Its totient is φ = 4048452400.

The previous prime is 10121131001. The next prime is 10121131039. The reversal of 10121131010 is 1013112101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8880612169 + 1240518841 = 94237^2 + 35221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10121130982 and 10121131000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506056541 + ... + 506056560.

Almost surely, 210121131010 is an apocalyptic number.

10121131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121131010 is a deficient number, since it is larger than the sum of its proper divisors (8096904826).

10121131010 is a wasteful number, since it uses less digits than its factorization.

10121131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012113108.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 10121131010 its reverse (1013112101), we get a palindrome (11134243111).

The spelling of 10121131010 in words is "ten billion, one hundred twenty-one million, one hundred thirty-one thousand, ten".

Divisors: 1 2 5 10 1012113101 2024226202 5060565505 10121131010