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97631123383 = 579116859113
BaseRepresentation
bin101101011101101000…
…1001011011110110111
3100100000002011221102201
41122323101023132313
53044422031422013
6112503501445331
710024250566453
oct1327321133667
9310002157381
1097631123383
1138450251032
1216b08570847
13928bb001c1
144a225c3663
1528162b03dd
hex16bb44b7b7

97631123383 has 4 divisors (see below), whose sum is σ = 97647988288. Its totient is φ = 97614258480.

The previous prime is 97631123371. The next prime is 97631123393. The reversal of 97631123383 is 38332113679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38332113679 = 121331601083.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-97631123383 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 (97631123323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8423766 + ... + 8435347.

It is an arithmetic number, because the mean of its divisors is an integer number (24411997072).

Almost surely, 297631123383 is an apocalyptic number.

97631123383 is a deficient number, since it is larger than the sum of its proper divisors (16864905).

97631123383 is a wasteful number, since it uses less digits than its factorization.

97631123383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16864904.

The product of its digits is 489888, while the sum is 46.

The spelling of 97631123383 in words is "ninety-seven billion, six hundred thirty-one million, one hundred twenty-three thousand, three hundred eighty-three".

Divisors: 1 5791 16859113 97631123383