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30149833380 = 2235502497223
BaseRepresentation
bin11100000101000100…
…011111001010100100
32212211012020020010120
4130011010133022210
5443221324132010
621503423321540
72115066232602
oct340504371244
985735206116
1030149833380
1111871882077
125a151502b0
132ac64361c4
1416602cc872
15bb6d73e70
hex70511f2a4

30149833380 has 24 divisors (see below), whose sum is σ = 84419533632. Its totient is φ = 8039955552.

The previous prime is 30149833331. The next prime is 30149833381. The reversal of 30149833380 is 8333894103.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30149833381) 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, 251248552 + ... + 251248671.

It is an arithmetic number, because the mean of its divisors is an integer number (3517480568).

Almost surely, 230149833380 is an apocalyptic number.

30149833380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30149833380 is an abundant number, since it is smaller than the sum of its proper divisors (54269700252).

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

30149833380 is a wasteful number, since it uses less digits than its factorization.

30149833380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502497235 (or 502497233 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 30149833380 in words is "thirty billion, one hundred forty-nine million, eight hundred thirty-three thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 502497223 1004994446 1507491669 2009988892 2512486115 3014983338 5024972230 6029966676 7537458345 10049944460 15074916690 30149833380