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10143005000 = 23542028601
BaseRepresentation
bin10010111001001000…
…11111100101001000
3222011212212001002212
421130210133211020
5131233102130000
64354251444252
7506232056102
oct113444374510
928155761085
1010143005000
114335509867
121b70a56688
13c5850a50b
146c314a572
153e5709c35
hex25c91f948

10143005000 has 40 divisors (see below), whose sum is σ = 23765072430. Its totient is φ = 4057200000.

The previous prime is 10143004913. The next prime is 10143005003. The reversal of 10143005000 is 50034101.

It can be written as a sum of positive squares in 5 ways, for example, as 155401156 + 9987603844 = 12466^2 + 99938^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10143005003) 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, 1009301 + ... + 1019300.

Almost surely, 210143005000 is an apocalyptic number.

10143005000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10143005000 is an abundant number, since it is smaller than the sum of its proper divisors (13622067430).

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

10143005000 is an equidigital number, since it uses as much as digits as its factorization.

10143005000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028627 (or 2028608 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

Adding to 10143005000 its reverse (50034101), we get a palindrome (10193039101).

The spelling of 10143005000 in words is "ten billion, one hundred forty-three million, five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 2028601 4057202 8114404 10143005 16228808 20286010 40572020 50715025 81144040 101430050 202860100 253575125 405720200 507150250 1014300500 1267875625 2028601000 2535751250 5071502500 10143005000