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2068949128 = 233743533067
BaseRepresentation
bin111101101010001…
…1010100010001000
312100012002111122111
41323110122202020
513214122333003
6541144432104
7102161530441
oct17324324210
95305074574
102068949128
11971960114
12498a78634
1326c83876c
14158ac62c8
15c1981e6d
hex7b51a888

2068949128 has 64 divisors (see below), whose sum is σ = 4155053760. Its totient is φ = 964244736.

The previous prime is 2068949123. The next prime is 2068949131. The reversal of 2068949128 is 8219498602.

It is not an unprimeable number, because it can be changed into a prime (2068949123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673051 + ... + 676117.

It is an arithmetic number, because the mean of its divisors is an integer number (64922715).

Almost surely, 22068949128 is an apocalyptic number.

It is an amenable number.

2068949128 is an abundant number, since it is smaller than the sum of its proper divisors (2086104632).

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

2068949128 is a wasteful number, since it uses less digits than its factorization.

2068949128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206 (or 3202 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 2068949128 is about 45485.7024569260. The cubic root of 2068949128 is about 1274.2361957098.

The spelling of 2068949128 in words is "two billion, sixty-eight million, nine hundred forty-nine thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 37 43 53 74 86 106 148 172 212 296 344 424 1591 1961 2279 3067 3182 3922 4558 6134 6364 7844 9116 12268 12728 15688 18232 24536 84323 113479 131881 162551 168646 226958 263762 325102 337292 453916 527524 650204 674584 907832 1055048 1300408 4879597 6014387 6989693 9759194 12028774 13979386 19518388 24057548 27958772 39036776 48115096 55917544 258618641 517237282 1034474564 2068949128