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72301021102331 = 731333184429043
BaseRepresentation
bin10000011100000111100100…
…101011100000000011111011
3100110222220120110210000120122
4100130013210223200003323
533434034442400233311
6413434344111243455
721141401463214250
oct2034074453400373
9313886513700518
1072301021102331
112104576658a52a
12813850981958b
133145c597b4c28
1413bd560cd9427
15855aaeb310db
hex41c1e4ae00fb

72301021102331 has 8 divisors (see below), whose sum is σ = 85295213835264. Its totient is φ = 59973197227560.

The previous prime is 72301021102301. The next prime is 72301021102357. The reversal of 72301021102331 is 13320112010327.

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

It is a cyclic number.

It is not a de Polignac number, because 72301021102331 - 210 = 72301021101307 is a prime.

It is a super-2 number, since 2×723010211023312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72301021102331.

It is not an unprimeable number, because it can be changed into a prime (72301021102301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166592214305 + ... + 166592214738.

It is an arithmetic number, because the mean of its divisors is an integer number (10661901729408).

Almost surely, 272301021102331 is an apocalyptic number.

72301021102331 is a deficient number, since it is larger than the sum of its proper divisors (12994192732933).

72301021102331 is a wasteful number, since it uses less digits than its factorization.

72301021102331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333184429081.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 72301021102331 its reverse (13320112010327), we get a palindrome (85621133112658).

The spelling of 72301021102331 in words is "seventy-two trillion, three hundred one billion, twenty-one million, one hundred two thousand, three hundred thirty-one".

Divisors: 1 7 31 217 333184429043 2332291003301 10328717300333 72301021102331