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2142895000 = 2354428579
BaseRepresentation
bin111111110111001…
…1111101110011000
312112100020100022111
41333232133232120
513342040120000
6552345402104
7104050210201
oct17756375630
95470210274
102142895000
119aa676804
124b9799334
13281c5930c
141648545a8
15c81dbcba
hex7fb9fb98

2142895000 has 40 divisors (see below), whose sum is σ = 5020814700. Its totient is φ = 857156000.

The previous prime is 2142894989. The next prime is 2142895009. The reversal of 2142895000 is 5982412.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142895009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 209290 + ... + 219289.

Almost surely, 22142895000 is an apocalyptic number.

2142895000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142895000 is an abundant number, since it is smaller than the sum of its proper divisors (2877919700).

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

2142895000 is an equidigital number, since it uses as much as digits as its factorization.

2142895000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428605 (or 428586 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 2142895000 is about 46291.4138906990. The cubic root of 2142895000 is about 1289.2395814885.

The spelling of 2142895000 in words is "two billion, one hundred forty-two million, eight hundred ninety-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 428579 857158 1714316 2142895 3428632 4285790 8571580 10714475 17143160 21428950 42857900 53572375 85715800 107144750 214289500 267861875 428579000 535723750 1071447500 2142895000