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231032002000 = 2453115516001
BaseRepresentation
bin1101011100101010010…
…1001001010111010000
3211002100000110201110211
43113022211021113100
512241123143031000
6254045025333504
722456121421022
oct3271245112720
9732300421424
10231032002000
1189a865a6648
1238938197294
1318a2b447737
14b279608012
1560229a17ba
hex35ca9495d0

231032002000 has 40 divisors (see below), whose sum is σ = 558635385672. Its totient is φ = 92412800000.

The previous prime is 231032001919. The next prime is 231032002013. The reversal of 231032002000 is 200230132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41012730256 + 190019271744 = 202516^2 + 435912^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57756001 + ... + 57760000.

Almost surely, 2231032002000 is an apocalyptic number.

231032002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231032002000 is an abundant number, since it is smaller than the sum of its proper divisors (327603383672).

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

231032002000 is a wasteful number, since it uses less digits than its factorization.

231032002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115516024 (or 115516008 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 231032002000 its reverse (200230132), we get a palindrome (231232232132).

The spelling of 231032002000 in words is "two hundred thirty-one billion, thirty-two million, two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 115516001 231032002 462064004 577580005 924128008 1155160010 1848256016 2310320020 2887900025 4620640040 5775800050 9241280080 11551600100 14439500125 23103200200 28879000250 46206400400 57758000500 115516001000 231032002000