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143530327705557 = 31331181336547081
BaseRepresentation
bin100000101000101001000010…
…001100101000011111010101
3200211012100212022122121011210
4200220221002030220133111
5122303100102343034212
61225132531113452033
742142503215462262
oct4050510214503725
9624170768577153
10143530327705557
1141807963186491
1214121180411019
136211b0c601a70
142762c95198269
15118d84712053c
hex828a423287d5

143530327705557 has 32 divisors (see below), whose sum is σ = 212754814698496. Its totient is φ = 85472391283200.

The previous prime is 143530327705543. The next prime is 143530327705577. The reversal of 143530327705557 is 755507723035341.

It is not a de Polignac number, because 143530327705557 - 212 = 143530327701461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143530327705497 and 143530327705506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143530327705577) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 18649257 + ... + 25196337.

It is an arithmetic number, because the mean of its divisors is an integer number (6648587959328).

Almost surely, 2143530327705557 is an apocalyptic number.

It is an amenable number.

143530327705557 is a deficient number, since it is larger than the sum of its proper divisors (69224486992939).

143530327705557 is a wasteful number, since it uses less digits than its factorization.

143530327705557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565261.

The product of its (nonzero) digits is 46305000, while the sum is 57.

The spelling of 143530327705557 in words is "one hundred forty-three trillion, five hundred thirty billion, three hundred twenty-seven million, seven hundred five thousand, five hundred fifty-seven".

Divisors: 1 3 13 31 39 93 403 1209 18133 54399 235729 562123 707187 1686369 6547081 7307599 19641243 21922797 85112053 202959511 255336159 608878533 2638473643 7915420929 118718219773 356154659319 1543336857049 3680264812963 4630010571147 11040794438889 47843442568519 143530327705557