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21030033103122 = 233505005517187
BaseRepresentation
bin1001100100000011011111…
…01001110001100100010010
32202110110012011110122110110
410302001233221301210102
510224024001433244442
6112421021442142150
74300240552651221
oct462015751614422
982413164418413
1021030033103122
11677887248690a
122437917651956
13b9717b764bc4
14529c05288cb8
1526708d0b469c
hex13206fa71912

21030033103122 has 8 divisors (see below), whose sum is σ = 42060066206256. Its totient is φ = 7010011034372.

The previous prime is 21030033103117. The next prime is 21030033103139. The reversal of 21030033103122 is 22130133003012.

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

21030033103122 is an admirable number.

It is a super-2 number, since 2×210300331031222 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752502758588 + ... + 1752502758599.

It is an arithmetic number, because the mean of its divisors is an integer number (5257508275782).

Almost surely, 221030033103122 is an apocalyptic number.

21030033103122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21030033103122 is a wasteful number, since it uses less digits than its factorization.

21030033103122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505005517192.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21030033103122 its reverse (22130133003012), we get a palindrome (43160166106134).

The spelling of 21030033103122 in words is "twenty-one trillion, thirty billion, thirty-three million, one hundred three thousand, one hundred twenty-two".

Divisors: 1 2 3 6 3505005517187 7010011034374 10515016551561 21030033103122