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10131420121001 = 19751428528533
BaseRepresentation
bin1001001101101110011110…
…1100101000011110101001
31022212112222002101010020022
42103123213230220132221
52311443122022333001
633314150554210225
72063654015056154
oct223334754503651
938775862333208
1010131420121001
113256790595073
121177654123975
1358650930502a
14270513066c9b
1512881c7c311b
hex936e7b287a9

10131420121001 has 4 divisors (see below), whose sum is σ = 10182848649732. Its totient is φ = 10079991592272.

The previous prime is 10131420120979. The next prime is 10131420121099. The reversal of 10131420121001 is 10012102413101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5399577042601 + 4731843078400 = 2323699^2 + 2175280^2 .

It is a cyclic number.

It is not a de Polignac number, because 10131420121001 - 230 = 10130346379177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10131420621001) 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, 25714264070 + ... + 25714264463.

It is an arithmetic number, because the mean of its divisors is an integer number (2545712162433).

Almost surely, 210131420121001 is an apocalyptic number.

It is an amenable number.

10131420121001 is a deficient number, since it is larger than the sum of its proper divisors (51428528731).

10131420121001 is an equidigital number, since it uses as much as digits as its factorization.

10131420121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51428528730.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10131420121001 its reverse (10012102413101), we get a palindrome (20143522534102).

The spelling of 10131420121001 in words is "ten trillion, one hundred thirty-one billion, four hundred twenty million, one hundred twenty-one thousand, one".

Divisors: 1 197 51428528533 10131420121001