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143402033021 = 1334731789411
BaseRepresentation
bin1000010110001101101…
…1010101111101111101
3111201010221020001201012
42011203123111331331
54322141410024041
6145513351125005
713234431111632
oct2054333257575
9451127201635
10143402033021
11558a8788985
1223961073765
13106a464a2a0
146d253a8189
153ae472b3eb
hex21636d5f7d

143402033021 has 8 divisors (see below), whose sum is σ = 154878015264. Its totient is φ = 131989630320.

The previous prime is 143402033011. The next prime is 143402033041. The reversal of 143402033021 is 120330204341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143402033021 - 226 = 143334924157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143402033011) 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, 15890195 + ... + 15899216.

It is an arithmetic number, because the mean of its divisors is an integer number (19359751908).

Almost surely, 2143402033021 is an apocalyptic number.

It is an amenable number.

143402033021 is a deficient number, since it is larger than the sum of its proper divisors (11475982243).

143402033021 is a wasteful number, since it uses less digits than its factorization.

143402033021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31789771.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 143402033021 its reverse (120330204341), we get a palindrome (263732237362).

The spelling of 143402033021 in words is "one hundred forty-three billion, four hundred two million, thirty-three thousand, twenty-one".

Divisors: 1 13 347 4511 31789411 413262343 11030925617 143402033021