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23104204420 = 22511293358427
BaseRepresentation
bin10101100001000111…
…100010111010000100
32012122011122012011211
4111201013202322010
5334304134020140
614340335141204
71445354332363
oct254107427204
965564565154
1023104204420
1198867a2820
124589674804
13224284559b
1411926957da
159035452ea
hex5611e2e84

23104204420 has 48 divisors (see below), whose sum is σ = 53110427328. Its totient is φ = 8372831360.

The previous prime is 23104204391. The next prime is 23104204439. The reversal of 23104204420 is 2440240132.

It is a happy number.

It is a super-2 number, since 2×231042044202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 23104204391 and 23104204400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114754 + ... + 243673.

It is an arithmetic number, because the mean of its divisors is an integer number (1106467236).

Almost surely, 223104204420 is an apocalyptic number.

23104204420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23104204420 is an abundant number, since it is smaller than the sum of its proper divisors (30006222908).

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

23104204420 is a wasteful number, since it uses less digits than its factorization.

23104204420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358740 (or 358738 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 23104204420 its reverse (2440240132), we get a palindrome (25544444552).

The spelling of 23104204420 in words is "twenty-three billion, one hundred four million, two hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 293 586 1172 1465 2930 3223 5860 6446 12892 16115 32230 64460 358427 716854 1433708 1792135 3584270 3942697 7168540 7885394 15770788 19713485 39426970 78853940 105019111 210038222 420076444 525095555 1050191110 1155210221 2100382220 2310420442 4620840884 5776051105 11552102210 23104204420