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97388309042 = 297677741509
BaseRepresentation
bin101101010110011001…
…0111010101000110010
3100022101011021200202222
41122230302322220302
53043422401342132
6112423425241042
710015241653103
oct1325462725062
9308334250688
1097388309042
1138336186022
1216a5b193182
13925070538b
1449dc2583aa
1527eecea412
hex16accbaa32

97388309042 has 16 divisors (see below), whose sum is σ = 147806671320. Its totient is φ = 48120903168.

The previous prime is 97388308993. The next prime is 97388309047. The reversal of 97388309042 is 24090388379.

It is a Cunningham number, because it is equal to 3120712+1.

It can be written as a sum of positive squares in 4 ways, for example, as 97388309041 + 1 = 312071^2 + 1^2 .

It is not an unprimeable number, because it can be changed into a prime (97388309047) 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 7 ways as a sum of consecutive naturals, for example, 239417 + ... + 502092.

Almost surely, 297388309042 is an apocalyptic number.

97388309042 is a deficient number, since it is larger than the sum of its proper divisors (50418362278).

97388309042 is a wasteful number, since it uses less digits than its factorization.

97388309042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742285.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 97388309042 in words is "ninety-seven billion, three hundred eighty-eight million, three hundred nine thousand, forty-two".

Divisors: 1 2 97 194 677 1354 65669 131338 741509 1483018 71926373 143852746 502001593 1004003186 48694154521 97388309042