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22100210010 = 2325245557889
BaseRepresentation
bin10100100101010001…
…100111000101011010
32010001012102222202200
4110211101213011122
5330230123210020
614052552111030
71411443454104
oct244521470532
963035388680
1022100210010
119410aa097a
124349395476
13211283a258
1410d91c8574
15895325590
hex52546715a

22100210010 has 24 divisors (see below), whose sum is σ = 57460546260. Its totient is φ = 5893389312.

The previous prime is 22100210009. The next prime is 22100210017. The reversal of 22100210010 is 1001200122.

It can be written as a sum of positive squares in 2 ways, for example, as 20440706841 + 1659503169 = 142971^2 + 40737^2 .

It is a super-2 number, since 2×221002100102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22100209974 and 22100210001.

It is not an unprimeable number, because it can be changed into a prime (22100210017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122778855 + ... + 122779034.

Almost surely, 222100210010 is an apocalyptic number.

22100210010 is an abundant number, since it is smaller than the sum of its proper divisors (35360336250).

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

22100210010 is a wasteful number, since it uses less digits than its factorization.

22100210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245557902 (or 245557899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22100210010 its reverse (1001200122), we get a palindrome (23101410132).

The spelling of 22100210010 in words is "twenty-two billion, one hundred million, two hundred ten thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 245557889 491115778 736673667 1227789445 1473347334 2210021001 2455578890 3683368335 4420042002 7366736670 11050105005 22100210010