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2731634164720 = 245311101465389
BaseRepresentation
bin100111110000000010000…
…101011000001111110000
3100200010211021121022122101
4213300002011120033300
5324223341321232340
65450521224150144
7401232304203046
oct47600205301760
910603737538571
102731634164720
119635302aa66a
123814aa908354
1316a790801976
14962d7268396
154b0c93aac9a
hex27c021583f0

2731634164720 has 40 divisors (see below), whose sum is σ = 6555922001280. Its totient is φ = 1057406772480.

The previous prime is 2731634164717. The next prime is 2731634164729. The reversal of 2731634164720 is 274614361372.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731634164729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550730215 + ... + 550735174.

It is an arithmetic number, because the mean of its divisors is an integer number (163898050032).

Almost surely, 22731634164720 is an apocalyptic number.

2731634164720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2731634164720 is an abundant number, since it is smaller than the sum of its proper divisors (3824287836560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2731634164720 is a wasteful number, since it uses less digits than its factorization.

2731634164720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101465433 (or 1101465427 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 2731634164720 in words is "two trillion, seven hundred thirty-one billion, six hundred thirty-four million, one hundred sixty-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 2480 1101465389 2202930778 4405861556 5507326945 8811723112 11014653890 17623446224 22029307780 34145427059 44058615560 68290854118 88117231120 136581708236 170727135295 273163416472 341454270590 546326832944 682908541180 1365817082360 2731634164720