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97280400049 = 729531470597
BaseRepresentation
bin101101010011001011…
…1010001101010110001
3100022002122020100110121
41122212113101222301
53043212240300144
6112405012330241
710012461520450
oct1324627215261
9308078210417
1097280400049
1138290282438
1216a2b013981
1392342529c1
1449cbba8b97
1527e55d2384
hex16a65d1ab1

97280400049 has 8 divisors (see below), whose sum is σ = 111181601088. Its totient is φ = 83380199280.

The previous prime is 97280400043. The next prime is 97280400073. The reversal of 97280400049 is 94000408279.

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

It is a de Polignac number, because none of the positive numbers 2k-97280400049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97280399978 and 97280400014.

It is not an unprimeable number, because it can be changed into a prime (97280400043) 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, 28582 + ... + 442015.

It is an arithmetic number, because the mean of its divisors is an integer number (13897700136).

Almost surely, 297280400049 is an apocalyptic number.

It is an amenable number.

97280400049 is a deficient number, since it is larger than the sum of its proper divisors (13901201039).

97280400049 is a wasteful number, since it uses less digits than its factorization.

97280400049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500135.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 97280400049 in words is "ninety-seven billion, two hundred eighty million, four hundred thousand, forty-nine".

Divisors: 1 7 29531 206717 470597 3294179 13897200007 97280400049