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10122031003 = 71446004429
BaseRepresentation
bin10010110110101000…
…11110111110011011
3222010102101110012011
421123110132332123
5131212214443003
64352222130351
7505555562320
oct113324367633
928112343164
1010122031003
114324693787
121b65a209b7
13c54075976
146c044ab47
153e396546d
hex25b51ef9b

10122031003 has 4 divisors (see below), whose sum is σ = 11568035440. Its totient is φ = 8676026568.

The previous prime is 10122030983. The next prime is 10122031019. The reversal of 10122031003 is 30013022101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30013022101 = 34498701949.

It is a cyclic number.

It is not a de Polignac number, because 10122031003 - 29 = 10122030491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10122031303) 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, 723002208 + ... + 723002221.

It is an arithmetic number, because the mean of its divisors is an integer number (2892008860).

Almost surely, 210122031003 is an apocalyptic number.

10122031003 is a deficient number, since it is larger than the sum of its proper divisors (1446004437).

10122031003 is an equidigital number, since it uses as much as digits as its factorization.

10122031003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446004436.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10122031003 its reverse (30013022101), we get a palindrome (40135053104).

The spelling of 10122031003 in words is "ten billion, one hundred twenty-two million, thirty-one thousand, three".

Divisors: 1 7 1446004429 10122031003