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2689876068 = 22311176717891
BaseRepresentation
bin1010000001010100…
…0100000001100100
320221110110212021120
42200111010001210
521002102013233
61122525213540
7123441366165
oct24025040144
96843425246
102689876068
111160401780
12630a012b0
1333b380659
141b735976c
1510b2354b3
hexa0544064

2689876068 has 96 divisors (see below), whose sum is σ = 7358335488. Its totient is φ = 755673600.

The previous prime is 2689876067. The next prime is 2689876073. The reversal of 2689876068 is 8606789862.

It is a super-2 number, since 2×26898760682 = 14470866522398281248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2689876067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141403 + ... + 159293.

It is an arithmetic number, because the mean of its divisors is an integer number (76649328).

Almost surely, 22689876068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2689876068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3679167744).

2689876068 is an abundant number, since it is smaller than the sum of its proper divisors (4668459420).

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

2689876068 is a wasteful number, since it uses less digits than its factorization.

2689876068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17993 (or 17991 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The square root of 2689876068 is about 51864.0151550186. The cubic root of 2689876068 is about 1390.7340580433.

The spelling of 2689876068 in words is "two billion, six hundred eighty-nine million, eight hundred seventy-six thousand, sixty-eight".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 51 66 67 68 102 132 134 187 201 204 268 374 402 561 737 748 804 1122 1139 1474 2211 2244 2278 2948 3417 4422 4556 6834 8844 12529 13668 17891 25058 35782 37587 50116 53673 71564 75174 107346 150348 196801 214692 304147 393602 590403 608294 787204 912441 1180806 1198697 1216588 1824882 2361612 2397394 3345617 3596091 3649764 4794788 6691234 7192182 10036851 13185667 13382468 14384364 20073702 20377849 26371334 39557001 40147404 40755698 52742668 61133547 79114002 81511396 122267094 158228004 224156339 244534188 448312678 672469017 896625356 1344938034 2689876068