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10120020023131 = 10414219717511
BaseRepresentation
bin1001001101000100000000…
…1100101101011101011011
31022211110112121002010220021
42103101000030231131123
52311301300111220011
633305023434411311
72063101346613214
oct223210014553533
938743477063807
1010120020023131
113251970524887
1211753b2290b37
135854105336a5
1426db50da840b
151283a1a51471
hex9344032d75b

10120020023131 has 4 divisors (see below), whose sum is σ = 10120030782064. Its totient is φ = 10120009264200.

The previous prime is 10120020023089. The next prime is 10120020023137. The reversal of 10120020023131 is 13132002002101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10120020023131 - 219 = 10120019498843 is a prime.

It is a super-2 number, since 2×101200200231312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10120020023137) 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, 3817335 + ... + 5900176.

It is an arithmetic number, because the mean of its divisors is an integer number (2530007695516).

Almost surely, 210120020023131 is an apocalyptic number.

10120020023131 is a deficient number, since it is larger than the sum of its proper divisors (10758933).

10120020023131 is an equidigital number, since it uses as much as digits as its factorization.

10120020023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10758932.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10120020023131 its reverse (13132002002101), we get a palindrome (23252022025232).

The spelling of 10120020023131 in words is "ten trillion, one hundred twenty billion, twenty million, twenty-three thousand, one hundred thirty-one".

Divisors: 1 1041421 9717511 10120020023131