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143471744940 = 22352391195749
BaseRepresentation
bin1000010110011110010…
…1010001011110101100
3111201022210101210111010
42011213211101132230
54322312231314230
6145524321225220
713236235465446
oct2054745213654
9451283353433
10143471744940
1155934072537
1223980492210
13106b5c17944
146d30753496
153aea8eb9b0
hex21679517ac

143471744940 has 24 divisors (see below), whose sum is σ = 401720886000. Its totient is φ = 38259131968.

The previous prime is 143471744881. The next prime is 143471744957. The reversal of 143471744940 is 49447174341.

143471744940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1434717449402 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143471744940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195597815 + ... + 1195597934.

It is an arithmetic number, because the mean of its divisors is an integer number (16738370250).

Almost surely, 2143471744940 is an apocalyptic number.

143471744940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143471744940 is an abundant number, since it is smaller than the sum of its proper divisors (258249141060).

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

143471744940 is a wasteful number, since it uses less digits than its factorization.

143471744940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391195761 (or 2391195759 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 143471744940 in words is "one hundred forty-three billion, four hundred seventy-one million, seven hundred forty-four thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2391195749 4782391498 7173587247 9564782996 11955978745 14347174494 23911957490 28694348988 35867936235 47823914980 71735872470 143471744940