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2143420362 = 2321910758573
BaseRepresentation
bin111111111000001…
…1111111111001010
312112101020000222100
41333300133333022
513342203422422
6552404534230
7104054525646
oct17760377712
95471200870
102143420362
119aa9a5496
124b99b1376
132820b1495
1416494dc26
15c82927ac
hex7fc1ffca

2143420362 has 48 divisors (see below), whose sum is σ = 4934273760. Its totient is φ = 670532256.

The previous prime is 2143420339. The next prime is 2143420373. The reversal of 2143420362 is 2630243412.

2143420362 is a `hidden beast` number, since 21 + 434 + 203 + 6 + 2 = 666.

It is a super-2 number, since 2×21434203622 = 9188501696472422088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7308 + ... + 65880.

It is an arithmetic number, because the mean of its divisors is an integer number (102797370).

Almost surely, 22143420362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143420362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2467136880).

2143420362 is an abundant number, since it is smaller than the sum of its proper divisors (2790853398).

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

2143420362 is a wasteful number, since it uses less digits than its factorization.

2143420362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58707 (or 58704 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 2143420362 is about 46297.0880509779. The cubic root of 2143420362 is about 1289.3449315160.

Adding to 2143420362 its reverse (2630243412), we get a palindrome (4773663774).

The spelling of 2143420362 in words is "two billion, one hundred forty-three million, four hundred twenty thousand, three hundred sixty-two".

Divisors: 1 2 3 6 9 18 19 38 57 107 114 171 214 321 342 642 963 1926 2033 4066 6099 12198 18297 36594 58573 117146 175719 351438 527157 1054314 1112887 2225774 3338661 6267311 6677322 10015983 12534622 18801933 20031966 37603866 56405799 112811598 119078909 238157818 357236727 714473454 1071710181 2143420362