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21030103313233 = 710728077574517
BaseRepresentation
bin1001100100000011100111…
…10101100110101101010001
32202110110101001120200121221
410302001303311212231101
510224024122422010413
6112421032431045041
74300242364511350
oct462016365465521
982413331520557
1021030103313233
1167788a90807a3
122437937070781
13b97190178251
14529c10723997
1526709433268d
hex132073d66b51

21030103313233 has 8 divisors (see below), whose sum is σ = 24259024383552. Its totient is φ = 17857337392176.

The previous prime is 21030103313231. The next prime is 21030103313239. The reversal of 21030103313233 is 33231330103012.

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 21030103313233 - 21 = 21030103313231 is a prime.

It is a super-2 number, since 2×210301033132332 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21030103313198 and 21030103313207.

It is not an unprimeable number, because it can be changed into a prime (21030103313231) 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, 14038786510 + ... + 14038788007.

It is an arithmetic number, because the mean of its divisors is an integer number (3032378047944).

Almost surely, 221030103313233 is an apocalyptic number.

It is an amenable number.

21030103313233 is a deficient number, since it is larger than the sum of its proper divisors (3228921070319).

21030103313233 is a wasteful number, since it uses less digits than its factorization.

21030103313233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28077574631.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 21030103313233 its reverse (33231330103012), we get a palindrome (54261433416245).

The spelling of 21030103313233 in words is "twenty-one trillion, thirty billion, one hundred three million, three hundred thirteen thousand, two hundred thirty-three".

Divisors: 1 7 107 749 28077574517 196543021619 3004300473319 21030103313233