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143538620893 = 2941895113487
BaseRepresentation
bin1000010110101110010…
…0011000100111011101
3111201111110020110001021
42011223210120213131
54322431341332033
6145535110444141
713241010101203
oct2055344304735
9451443213037
10143538620893
115596889a418
122399a963651
13106c6a31505
146d395a1073
153b0170bb2d
hex216b9189dd

143538620893 has 16 divisors (see below), whose sum is σ = 152138165760. Its totient is φ = 135183664000.

The previous prime is 143538620881. The next prime is 143538620899. The reversal of 143538620893 is 398026835341.

143538620893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 143538620893 - 229 = 143001749981 is a prime.

It is a super-2 number, since 2×1435386208932 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143538620893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143538620899) 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 15 ways as a sum of consecutive naturals, for example, 10635996 + ... + 10649482.

It is an arithmetic number, because the mean of its divisors is an integer number (9508635360).

Almost surely, 2143538620893 is an apocalyptic number.

It is an amenable number.

143538620893 is a deficient number, since it is larger than the sum of its proper divisors (8599544867).

143538620893 is a wasteful number, since it uses less digits than its factorization.

143538620893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22508.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 143538620893 in words is "one hundred forty-three billion, five hundred thirty-eight million, six hundred twenty thousand, eight hundred ninety-three".

Divisors: 1 29 41 1189 8951 13487 259579 366991 391123 552967 10642739 16036043 120722137 3500941973 4949607617 143538620893