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2731068620 = 2257295991123
BaseRepresentation
bin1010001011001000…
…1100110011001100
321001022222122211122
42202302030303030
521043123143440
61131000140112
7124451462120
oct24262146314
97038878748
102731068620
111181687305
12642767638
13346a73c47
141bc9dd580
1510eb707b5
hexa2c8cccc

2731068620 has 96 divisors (see below), whose sum is σ = 6797952000. Its totient is φ = 901764864.

The previous prime is 2731068617. The next prime is 2731068653. The reversal of 2731068620 is 268601372.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2431379 + ... + 2432501.

It is an arithmetic number, because the mean of its divisors is an integer number (70812000).

Almost surely, 22731068620 is an apocalyptic number.

2731068620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2731068620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3398976000).

2731068620 is an abundant number, since it is smaller than the sum of its proper divisors (4066883380).

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

2731068620 is a wasteful number, since it uses less digits than its factorization.

2731068620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2731068620 is about 52259.6270556919. The cubic root of 2731068620 is about 1397.7973219671.

Adding to 2731068620 its reverse (268601372), we get a palindrome (2999669992).

The spelling of 2731068620 in words is "two billion, seven hundred thirty-one million, sixty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 116 140 145 203 290 406 580 599 812 1015 1123 1198 2030 2246 2396 2995 4060 4193 4492 5615 5990 7861 8386 11230 11980 15722 16772 17371 20965 22460 31444 32567 34742 39305 41930 65134 69484 78610 83860 86855 121597 130268 157220 162835 173710 227969 243194 325670 347420 455938 486388 607985 651340 672677 911876 1139845 1215970 1345354 2279690 2431940 2690708 3363385 4559380 4708739 6726770 9417478 13453540 18834956 19507633 23543695 39015266 47087390 78030532 94174780 97538165 136553431 195076330 273106862 390152660 546213724 682767155 1365534310 2731068620