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9910021331231 = 72413758653409
BaseRepresentation
bin1001000000110101101101…
…0011010001100100011111
31022002101111102111021122122
42100031123103101210133
52244331210430044411
633024333445533155
72041655365313030
oct220153323214437
938071442437578
109910021331231
1131808a876244a
1211407661141bb
1356b684894598
1426390cdc4a87
15122bb08cb9db
hex9035b4d191f

9910021331231 has 8 divisors (see below), whose sum is σ = 11326208084640. Its totient is φ = 8493951932928.

The previous prime is 9910021331213. The next prime is 9910021331257. The reversal of 9910021331231 is 1321331200199.

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

It is not a de Polignac number, because 9910021331231 - 210 = 9910021330207 is a prime.

It is a super-2 number, since 2×99100213312312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9910021331191 and 9910021331200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9910021331531) 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, 29157746 + ... + 29495663.

It is an arithmetic number, because the mean of its divisors is an integer number (1415776010580).

Almost surely, 29910021331231 is an apocalyptic number.

9910021331231 is a deficient number, since it is larger than the sum of its proper divisors (1416186753409).

9910021331231 is a wasteful number, since it uses less digits than its factorization.

9910021331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58677553.

The product of its (nonzero) digits is 8748, while the sum is 35.

The spelling of 9910021331231 in words is "nine trillion, nine hundred ten billion, twenty-one million, three hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 7 24137 168959 58653409 410573863 1415717333033 9910021331231