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2101000143 = 311186134211
BaseRepresentation
bin111110100111010…
…1011011111001111
312102102101212101010
41331032223133033
513300324001033
6544251420303
7103031130564
oct17516533717
95372355333
102101000143
11988a61560
124a7754693
1327637b168
1415d06a86b
15c46b3863
hex7d3ab7cf

2101000143 has 16 divisors (see below), whose sum is σ = 3057731712. Its totient is φ = 1272612000.

The previous prime is 2101000093. The next prime is 2101000171. The reversal of 2101000143 is 3410001012.

It is a happy number.

It is not a de Polignac number, because 2101000143 - 216 = 2100934607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101000043) 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, 44308 + ... + 78518.

It is an arithmetic number, because the mean of its divisors is an integer number (191108232).

Almost surely, 22101000143 is an apocalyptic number.

2101000143 is a deficient number, since it is larger than the sum of its proper divisors (956731569).

2101000143 is a wasteful number, since it uses less digits than its factorization.

2101000143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36086.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2101000143 is about 45836.6681053499. The cubic root of 2101000143 is about 1280.7824283235.

Adding to 2101000143 its reverse (3410001012), we get a palindrome (5511001155).

The spelling of 2101000143 in words is "two billion, one hundred one million, one hundred forty-three", and thus it is an aban number.

Divisors: 1 3 11 33 1861 5583 20471 34211 61413 102633 376321 1128963 63666671 191000013 700333381 2101000143