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1000020150031 = 7142860021433
BaseRepresentation
bin11101000110101011101…
…10001000011100001111
310112121020010100011010111
432203111312020130033
5112341020124300111
62043223010220451
7132151301011330
oct16432566103417
93477203304114
101000020150031
11356119338a11
12141988884727
13733bc502336
1436588db0287
151b02d3e6a21
hexe8d5d8870f

1000020150031 has 4 divisors (see below), whose sum is σ = 1142880171472. Its totient is φ = 857160128592.

The previous prime is 1000020150007. The next prime is 1000020150061. The reversal of 1000020150031 is 1300510200001.

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 1000020150031 - 239 = 450264336143 is a prime.

It is a super-2 number, since 2×10000201500312 (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 = 1000020149993 and 1000020150020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000020150061) 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, 71430010710 + ... + 71430010723.

It is an arithmetic number, because the mean of its divisors is an integer number (285720042868).

Almost surely, 21000020150031 is an apocalyptic number.

1000020150031 is a deficient number, since it is larger than the sum of its proper divisors (142860021441).

1000020150031 is an equidigital number, since it uses as much as digits as its factorization.

1000020150031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142860021440.

The product of its (nonzero) digits is 30, while the sum is 13.

Adding to 1000020150031 its reverse (1300510200001), we get a palindrome (2300530350032).

The spelling of 1000020150031 in words is "one trillion, twenty million, one hundred fifty thousand, thirty-one".

Divisors: 1 7 142860021433 1000020150031