Search a number
-
+
30103302100021 = 31991979893301
BaseRepresentation
bin1101101100000111110001…
…01000001101010000110101
310221120211212212211011101121
412312003320220031100311
512421203030314200041
6144005133245423541
76224614613634403
oct666037050152065
9127524785734347
1030103302100021
119656814275837
12346227ab6abb1
1313a49630b7b17
14761016bb2473
153730c8d7d7d1
hex1b60f8a0d435

30103302100021 has 8 divisors (see below), whose sum is σ = 31105732978688. Its totient is φ = 29102831010000.

The previous prime is 30103302100013. The next prime is 30103302100031. The reversal of 30103302100021 is 12000120330103.

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

It is a cyclic number.

It is not a de Polignac number, because 30103302100021 - 23 = 30103302100013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30103302099968 and 30103302100004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103302100031) 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, 489915930 + ... + 489977371.

It is an arithmetic number, because the mean of its divisors is an integer number (3888216622336).

Almost surely, 230103302100021 is an apocalyptic number.

30103302100021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30103302100021 is a deficient number, since it is larger than the sum of its proper divisors (1002430878667).

30103302100021 is an equidigital number, since it uses as much as digits as its factorization.

30103302100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979894323.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30103302100021 its reverse (12000120330103), we get a palindrome (42103422430124).

The spelling of 30103302100021 in words is "thirty trillion, one hundred three billion, three hundred two million, one hundred thousand, twenty-one".

Divisors: 1 31 991 30721 979893301 30376692331 971074261291 30103302100021