Search a number
-
+
100230003031 = 2233591251983
BaseRepresentation
bin101110101011000101…
…1000111100101010111
3100120201012102201002111
41131112023013211113
53120232340044111
6114013420451451
710145535653164
oct1352613074527
9316635381074
10100230003031
1139564250854
12175129a9b87
1395b4370202
144bcb81306b
15291951da21
hex17562c7957

100230003031 has 8 divisors (see below), whose sum is σ = 100959989760. Its totient is φ = 99502521432.

The previous prime is 100230003019. The next prime is 100230003047. The reversal of 100230003031 is 130300032001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100230003031 is a prime.

It is a super-2 number, since 2×1002300030312 (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 (100230004031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545935 + ... + 706048.

It is an arithmetic number, because the mean of its divisors is an integer number (12619998720).

Almost surely, 2100230003031 is an apocalyptic number.

100230003031 is a deficient number, since it is larger than the sum of its proper divisors (729986729).

100230003031 is a wasteful number, since it uses less digits than its factorization.

100230003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252565.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 100230003031 its reverse (130300032001), we get a palindrome (230530035032).

The spelling of 100230003031 in words is "one hundred billion, two hundred thirty million, three thousand, thirty-one".

Divisors: 1 223 359 80057 1251983 279192209 449461897 100230003031