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916020990357 = 311157317557741
BaseRepresentation
bin11010101010001110001…
…10110001000110010101
310020120102002002201101120
431111013012301012111
5110002002333142412
61540451512514153
7123115565643144
oct15250706610625
93216362081346
10916020990357
11323533a71aa0
121296456ab959
13684c39b1465
143249b05d75b
1518c63cbbb8c
hexd5471b1195

916020990357 has 32 divisors (see below), whose sum is σ = 1345113074304. Its totient is φ = 549887020800.

The previous prime is 916020990341. The next prime is 916020990359. The reversal of 916020990357 is 753099020619.

It is a happy number.

It is not a de Polignac number, because 916020990357 - 24 = 916020990341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916020990359) 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 31 ways as a sum of consecutive naturals, for example, 1363507 + ... + 1921247.

It is an arithmetic number, because the mean of its divisors is an integer number (42034783572).

Almost surely, 2916020990357 is an apocalyptic number.

It is an amenable number.

916020990357 is a deficient number, since it is larger than the sum of its proper divisors (429092083947).

916020990357 is a wasteful number, since it uses less digits than its factorization.

916020990357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558229.

The product of its (nonzero) digits is 918540, while the sum is 51.

The spelling of 916020990357 in words is "nine hundred sixteen billion, twenty million, nine hundred ninety thousand, three hundred fifty-seven".

Divisors: 1 3 11 33 157 317 471 951 1727 3487 5181 10461 49769 149307 547459 557741 1642377 1673223 6135151 18405453 87565337 176803897 262696011 530411691 963218707 1944842867 2889656121 5834528601 27758211829 83274635487 305340330119 916020990357