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97532744357 = 215234531559
BaseRepresentation
bin101101011010101100…
…1111001001010100101
3100022202020001202210002
41122311121321022211
53044221340304412
6112450025111045
710021644435236
oct1326531711245
9308666052702
1097532744357
11383aa767454
1216a9b628485
139274606469
144a134d508d
15280c82adc2
hex16b56792a5

97532744357 has 4 divisors (see below), whose sum is σ = 97537297440. Its totient is φ = 97528191276.

The previous prime is 97532744333. The next prime is 97532744359. The reversal of 97532744357 is 75344723579.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75344723579 = 115165460229.

It is a cyclic number.

It is not a de Polignac number, because 97532744357 - 26 = 97532744293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97532744359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2244257 + ... + 2287302.

It is an arithmetic number, because the mean of its divisors is an integer number (24384324360).

Almost surely, 297532744357 is an apocalyptic number.

It is an amenable number.

97532744357 is a deficient number, since it is larger than the sum of its proper divisors (4553083).

97532744357 is a wasteful number, since it uses less digits than its factorization.

97532744357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553082.

The product of its digits is 22226400, while the sum is 56.

The spelling of 97532744357 in words is "ninety-seven billion, five hundred thirty-two million, seven hundred forty-four thousand, three hundred fifty-seven".

Divisors: 1 21523 4531559 97532744357