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30003123342 = 2371223315829
BaseRepresentation
bin11011111100010100…
…110101010010001110
32212102222011120210110
4123330110311102032
5442421244421332
621441103020450
72111335224543
oct337424652216
985388146713
1030003123342
11117a6a87705
125993b9a726
132aa1c1992a
141648a1cbca
15ba90444cc
hex6fc53548e

30003123342 has 32 divisors (see below), whose sum is σ = 61124474880. Its totient is φ = 9815934240.

The previous prime is 30003123259. The next prime is 30003123343. The reversal of 30003123342 is 24332130003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30003123343) 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 15 ways as a sum of consecutive naturals, for example, 62917 + ... + 252912.

It is an arithmetic number, because the mean of its divisors is an integer number (1910139840).

Almost surely, 230003123342 is an apocalyptic number.

30003123342 is an abundant number, since it is smaller than the sum of its proper divisors (31121351538).

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

30003123342 is a wasteful number, since it uses less digits than its factorization.

30003123342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316128.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30003123342 its reverse (24332130003), we get a palindrome (54335253345).

The spelling of 30003123342 in words is "thirty billion, three million, one hundred twenty-three thousand, three hundred forty-two".

Divisors: 1 2 3 6 71 142 213 223 426 446 669 1338 15833 31666 47499 94998 315829 631658 947487 1894974 22423859 44847718 67271577 70429867 134543154 140859734 211289601 422579202 5000520557 10001041114 15001561671 30003123342