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30321023130 = 23252287147311
BaseRepresentation
bin11100001111010001…
…100001100010011010
32220021010100120022200
4130033101201202122
5444044140220010
621532420431030
72122245305226
oct341721414232
986233316280
1030321023130
111194a477502
125a62548476
132b22a43c08
141678d31786
15bc6ddbcc0
hex70f46189a

30321023130 has 48 divisors (see below), whose sum is σ = 78869666304. Its totient is φ = 8082015840.

The previous prime is 30321023093. The next prime is 30321023141. The reversal of 30321023130 is 3132012303.

30321023130 is a `hidden beast` number, since 30 + 321 + 0 + 2 + 313 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132175 + ... + 279485.

It is an arithmetic number, because the mean of its divisors is an integer number (1643118048).

Almost surely, 230321023130 is an apocalyptic number.

30321023130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30321023130 is an abundant number, since it is smaller than the sum of its proper divisors (48548643174).

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

30321023130 is a wasteful number, since it uses less digits than its factorization.

30321023130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149611 (or 149608 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30321023130 its reverse (3132012303), we get a palindrome (33453035433).

The spelling of 30321023130 in words is "thirty billion, three hundred twenty-one million, twenty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2287 4574 6861 11435 13722 20583 22870 34305 41166 68610 102915 147311 205830 294622 441933 736555 883866 1325799 1473110 2209665 2651598 4419330 6628995 13257990 336900257 673800514 1010700771 1684501285 2021401542 3032102313 3369002570 5053503855 6064204626 10107007710 15160511565 30321023130