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1104220313021 = 72234729207187
BaseRepresentation
bin10000000100011000101…
…010001101010110111101
310220120012000022212211102
4100010120222031112331
5121042420400004041
62203134413302445
7142530415540100
oct20043052152675
93816160285742
101104220313021
1139632a6416a1
1215a009194a25
1380187246a07
143b631baa737
151dacb24409b
hex10118a8d5bd

1104220313021 has 24 divisors (see below), whose sum is σ = 1340638960320. Its totient is φ = 905127676992.

The previous prime is 1104220313017. The next prime is 1104220313023. The reversal of 1104220313021 is 1203130224011.

It is not a de Polignac number, because 1104220313021 - 22 = 1104220313017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1104220312984 and 1104220313002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104220313023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5225990 + ... + 5433176.

It is an arithmetic number, because the mean of its divisors is an integer number (55859956680).

Almost surely, 21104220313021 is an apocalyptic number.

It is an amenable number.

1104220313021 is a deficient number, since it is larger than the sum of its proper divisors (236418647299).

1104220313021 is a wasteful number, since it uses less digits than its factorization.

1104220313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211953 (or 211946 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1104220313021 its reverse (1203130224011), we get a palindrome (2307350537032).

The spelling of 1104220313021 in words is "one trillion, one hundred four billion, two hundred twenty million, three hundred thirteen thousand, twenty-one".

Divisors: 1 7 23 49 161 1127 4729 33103 108767 207187 231721 761369 1450309 4765301 5329583 10152163 33357107 233499749 979787323 6858511261 22535108429 48009578827 157745759003 1104220313021