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97798423743 = 32131145357089
BaseRepresentation
bin101101100010100111…
…1011000010010111111
3100100102201222200101100
41123011033120102333
53100242344024433
6112532235344143
710031351612556
oct1330517302277
9310381880340
1097798423743
113852672a299
1216b545b2053
1392b76787b7
144a3a8d2d9d
152825d0ab13
hex16c53d84bf

97798423743 has 24 divisors (see below), whose sum is σ = 142443203760. Its totient is φ = 64655585280.

The previous prime is 97798423733. The next prime is 97798423747. The reversal of 97798423743 is 34732489779.

It is not a de Polignac number, because 97798423743 - 210 = 97798422719 is a prime.

It is a super-2 number, since 2×977984237432 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97798423747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1684543 + ... + 1741631.

It is an arithmetic number, because the mean of its divisors is an integer number (5935133490).

Almost surely, 297798423743 is an apocalyptic number.

97798423743 is a deficient number, since it is larger than the sum of its proper divisors (44644780017).

97798423743 is a wasteful number, since it uses less digits than its factorization.

97798423743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58679 (or 58676 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 63.

The spelling of 97798423743 in words is "ninety-seven billion, seven hundred ninety-eight million, four hundred twenty-three thousand, seven hundred forty-three".

Divisors: 1 3 9 131 393 1179 1453 4359 13077 57089 171267 190343 513801 571029 1713087 7478659 22435977 67307931 82950317 248850951 746552853 10866491527 32599474581 97798423743