Search a number
-
+
30103213312 = 28196188983
BaseRepresentation
bin11100000010010010…
…101001010100000000
32212200221111200102101
4130002102221110000
5443122410311222
621455040200144
72113662043204
oct340222512400
985627450371
1030103213312
111184852a797
125a01609054
132ab9892373
141658034b04
15bb2c15927
hex7024a9500

30103213312 has 36 divisors (see below), whose sum is σ = 63251416480. Its totient is φ = 14259414528.

The previous prime is 30103213291. The next prime is 30103213339. The reversal of 30103213312 is 21331230103.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 30103213312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3089628 + ... + 3099355.

Almost surely, 230103213312 is an apocalyptic number.

30103213312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30103213312 is an abundant number, since it is smaller than the sum of its proper divisors (33148203168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30103213312 is an equidigital number, since it uses as much as digits as its factorization.

30103213312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189018 (or 6189004 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30103213312 its reverse (21331230103), we get a palindrome (51434443415).

The spelling of 30103213312 in words is "thirty billion, one hundred three million, two hundred thirteen thousand, three hundred twelve".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 256 304 608 1216 2432 4864 6188983 12377966 24755932 49511864 99023728 117590677 198047456 235181354 396094912 470362708 792189824 940725416 1584379648 1881450832 3762901664 7525803328 15051606656 30103213312