Search a number
-
+
100030003031 = 714290000433
BaseRepresentation
bin101110100101001000…
…0001011011101010111
3100120012021002122200002
41131022100023131113
53114330140044111
6113541514041515
710140556665620
oct1351220133527
9316167078602
10100030003031
11394713688a2
1217477a1929b
139581ab5c0a
144bad030a47
152906bb463b
hex174a40b757

100030003031 has 4 divisors (see below), whose sum is σ = 114320003472. Its totient is φ = 85740002592.

The previous prime is 100030003027. The next prime is 100030003037. The reversal of 100030003031 is 130300030001.

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 100030003031 - 22 = 100030003027 is a prime.

It is a super-2 number, since 2×1000300030312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100030003037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7145000210 + ... + 7145000223.

It is an arithmetic number, because the mean of its divisors is an integer number (28580000868).

Almost surely, 2100030003031 is an apocalyptic number.

100030003031 is a deficient number, since it is larger than the sum of its proper divisors (14290000441).

100030003031 is an equidigital number, since it uses as much as digits as its factorization.

100030003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14290000440.

The product of its (nonzero) digits is 27, while the sum is 11.

Adding to 100030003031 its reverse (130300030001), we get a palindrome (230330033032).

The spelling of 100030003031 in words is "one hundred billion, thirty million, three thousand, thirty-one".

Divisors: 1 7 14290000433 100030003031