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143792816949 = 3317674675733
BaseRepresentation
bin1000010111101010111…
…0000100001100110101
3111202011011112221111000
42011322232010030311
54323441430120244
6150020231033513
713250214530445
oct2057256041465
9452134487430
10143792816949
1155a89329701
1223a4bb0b899
13107375b2a92
146d61250125
153b18bbe169
hex217ab84335

143792816949 has 32 divisors (see below), whose sum is σ = 228923936640. Its totient is φ = 88876313856.

The previous prime is 143792816941. The next prime is 143792816963. The reversal of 143792816949 is 949618297341.

It is not a de Polignac number, because 143792816949 - 23 = 143792816941 is a prime.

It is a super-5 number, since 5×1437928169495 (a number of 57 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143792816941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2307114 + ... + 2368619.

It is an arithmetic number, because the mean of its divisors is an integer number (7153873020).

Almost surely, 2143792816949 is an apocalyptic number.

It is an amenable number.

143792816949 is a deficient number, since it is larger than the sum of its proper divisors (85131119691).

143792816949 is a wasteful number, since it uses less digits than its factorization.

143792816949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675826 (or 4675820 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The spelling of 143792816949 in words is "one hundred forty-three billion, seven hundred ninety-two million, eight hundred sixteen thousand, nine hundred forty-nine".

Divisors: 1 3 9 17 27 51 67 153 201 459 603 1139 1809 3417 10251 30753 4675733 14027199 42081597 79487461 126244791 238462383 313274111 715387149 939822333 2146161447 2819466999 5325659887 8458400997 15976979661 47930938983 143792816949