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30377662172 = 221113400313267
BaseRepresentation
bin11100010010101001…
…100101011011011100
32220102001221010110222
4130102221211123130
5444203140142142
621542202420512
72123533603514
oct342251453334
986361833428
1030377662172
1111979442230
125a79501738
132b316b5140
141682676844
15bcbd78bd2
hex712a656dc

30377662172 has 48 divisors (see below), whose sum is σ = 62475084672. Its totient is φ = 12741727680.

The previous prime is 30377662129. The next prime is 30377662283. The reversal of 30377662172 is 27126677303.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2283083 + ... + 2296349.

It is an arithmetic number, because the mean of its divisors is an integer number (1301564264).

Almost surely, 230377662172 is an apocalyptic number.

It is an amenable number.

30377662172 is an abundant number, since it is smaller than the sum of its proper divisors (32097422500).

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

30377662172 is a wasteful number, since it uses less digits than its factorization.

30377662172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17298 (or 17296 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 44.

The spelling of 30377662172 in words is "thirty billion, three hundred seventy-seven million, six hundred sixty-two thousand, one hundred seventy-two".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 4003 8006 13267 16012 26534 44033 52039 53068 88066 104078 145937 172471 176132 208156 291874 344942 572429 583748 689884 1144858 1897181 2289716 3794362 7588724 53107801 106215602 212431204 584185811 690401413 1168371622 1380802826 2336743244 2761605652 7594415543 15188831086 30377662172