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10102001003 = 50320083501
BaseRepresentation
bin10010110100010000…
…00100110101101011
3222002000200211012022
421122020010311223
5131142103013003
64350224535055
7505223406653
oct113210046553
928060624168
1010102001003
114314352966
121b5b18148b
13c4cb819b3
146bb915363
153e1d0a738
hex25a204d6b

10102001003 has 4 divisors (see below), whose sum is σ = 10122085008. Its totient is φ = 10081917000.

The previous prime is 10102000939. The next prime is 10102001017. The reversal of 10102001003 is 30010020101.

Adding to 10102001003 its reverse (30010020101), we get a palindrome (40112021104).

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 10102001003 - 26 = 10102000939 is a prime.

It is a super-2 number, since 2×101020010032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10102001053) 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, 10041248 + ... + 10042253.

It is an arithmetic number, because the mean of its divisors is an integer number (2530521252).

Almost surely, 210102001003 is an apocalyptic number.

10102001003 is a deficient number, since it is larger than the sum of its proper divisors (20084005).

10102001003 is an equidigital number, since it uses as much as digits as its factorization.

10102001003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20084004.

The product of its (nonzero) digits is 6, while the sum is 8.

The spelling of 10102001003 in words is "ten billion, one hundred two million, one thousand, three".

Divisors: 1 503 20083501 10102001003