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32143021000 = 235332143021
BaseRepresentation
bin11101111011110111…
…111001001111001000
310001222002202122112021
4131323313321033020
51011312103133000
622433304254224
72215351112326
oct357367711710
9101862678467
1032143021000
11126a4996472
126290771374
13305336686c
1417accd2d16
15c81d3d11a
hex77bdf93c8

32143021000 has 32 divisors (see below), whose sum is σ = 75214671480. Its totient is φ = 12857208000.

The previous prime is 32143020947. The next prime is 32143021003. The reversal of 32143021000 is 12034123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20052259236 + 12090761764 = 141606^2 + 109958^2 .

It is not an unprimeable number, because it can be changed into a prime (32143021003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16070511 + ... + 16072510.

Almost surely, 232143021000 is an apocalyptic number.

It is an amenable number.

32143021000 is an abundant number, since it is smaller than the sum of its proper divisors (43071650480).

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

32143021000 is a wasteful number, since it uses less digits than its factorization.

32143021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32143042 (or 32143028 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 32143021000 its reverse (12034123), we get a palindrome (32155055123).

The spelling of 32143021000 in words is "thirty-two billion, one hundred forty-three million, twenty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 32143021 64286042 128572084 160715105 257144168 321430210 642860420 803575525 1285720840 1607151050 3214302100 4017877625 6428604200 8035755250 16071510500 32143021000