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93491531643 = 3137227473313
BaseRepresentation
bin101011100010010000…
…1111000111101111011
322221022120210220010010
41113010201320331323
53012432313003033
6110541023553003
76516543623046
oct1270441707573
9287276726103
1093491531643
1136716594534
121615215b763
138a7c2b5233
14474c8d3c5d
152672b64863
hex15c4878f7b

93491531643 has 8 divisors (see below), whose sum is σ = 125565269328. Its totient is φ = 61872740864.

The previous prime is 93491531621. The next prime is 93491531647. The reversal of 93491531643 is 34613519439.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 93491531643 - 26 = 93491531579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 93491531592 and 93491531601.

It is not an unprimeable number, because it can be changed into a prime (93491531647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113736246 + ... + 113737067.

It is an arithmetic number, because the mean of its divisors is an integer number (15695658666).

Almost surely, 293491531643 is an apocalyptic number.

93491531643 is a deficient number, since it is larger than the sum of its proper divisors (32073737685).

93491531643 is a wasteful number, since it uses less digits than its factorization.

93491531643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227473453.

The product of its digits is 1049760, while the sum is 48.

The spelling of 93491531643 in words is "ninety-three billion, four hundred ninety-one million, five hundred thirty-one thousand, six hundred forty-three".

Divisors: 1 3 137 411 227473313 682419939 31163843881 93491531643