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22033031033 = 1317237954869
BaseRepresentation
bin10100100001010001…
…010101111101111001
32002212112000221112102
4110201101111331321
5330110423443113
614042152153145
71406666450036
oct244121257571
962775027472
1022033031033
119387087362
12432a9987b5
132101948790
1410d02dc38d
1588e4a5758
hex521455f79

22033031033 has 32 divisors (see below), whose sum is σ = 26548300800. Its totient is φ = 18077469696.

The previous prime is 22033031029. The next prime is 22033031057. The reversal of 22033031033 is 33013033022.

It is not a de Polignac number, because 22033031033 - 22 = 22033031029 is a prime.

It is a super-2 number, since 2×220330310332 (a number of 21 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 = 22033030996 and 22033031014.

It is not an unprimeable number, because it can be changed into a prime (22033031023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374123 + ... + 428991.

It is an arithmetic number, because the mean of its divisors is an integer number (829634400).

Almost surely, 222033031033 is an apocalyptic number.

22033031033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22033031033 is a deficient number, since it is larger than the sum of its proper divisors (4515269767).

22033031033 is a wasteful number, since it uses less digits than its factorization.

22033031033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55001.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 22033031033 its reverse (33013033022), we get a palindrome (55046064055).

The spelling of 22033031033 in words is "twenty-two billion, thirty-three million, thirty-one thousand, thirty-three".

Divisors: 1 13 17 23 79 221 299 391 1027 1343 1817 5083 17459 23621 30889 54869 401557 713297 932773 1261987 4334651 12126049 16405831 21453779 56350463 73689067 99696973 278899127 957957871 1296060649 1694848541 22033031033