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143031888644836 = 2259797972
BaseRepresentation
bin100000100001011000110100…
…111010100000101011100100
3200202102201022020121211002011
4200201120310322200223210
5122221413301443113321
61224111535330524004
742061466352406162
oct4041306472405344
9622381266554064
10143031888644836
1141635535340854
1214060656136604
1361a6b069918c9
142746acd3bc232
1511808c3572ae1
hex821634ea0ae4

143031888644836 has 9 divisors (see below), whose sum is σ = 250305846987049. Its totient is φ = 71515932362824.

The previous prime is 143031888644803. The next prime is 143031888644861. The reversal of 143031888644836 is 638446888130341.

The square root of 143031888644836 is 11959594.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 140999712948900 + 2032175695936 = 11874330^2 + 1425544^2 .

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 20929290 + ... + 26909086.

Almost surely, 2143031888644836 is an apocalyptic number.

143031888644836 is the 11959594-th square number.

It is an amenable number.

143031888644836 is a deficient number, since it is larger than the sum of its proper divisors (107273958342213).

143031888644836 is an frugal number, since it uses more digits than its factorization.

143031888644836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11959598 (or 5979799 counting only the distinct ones).

The product of its (nonzero) digits is 254803968, while the sum is 67.

The spelling of 143031888644836 in words is "one hundred forty-three trillion, thirty-one billion, eight hundred eighty-eight million, six hundred forty-four thousand, eight hundred thirty-six".

Divisors: 1 2 4 5979797 11959594 23919188 35757972161209 71515944322418 143031888644836