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23421424250 = 253724146633
BaseRepresentation
bin10101110100000001…
…101001001001111010
32020110021112121222102
4111310001221021322
5340431341034000
614432030223402
71456255551500
oct256401511172
966407477872
1023421424250
119a29868774
124657954b62
132293492223
1411c286c670
159213063d5
hex57406927a

23421424250 has 96 divisors (see below), whose sum is σ = 52248360528. Its totient is φ = 7834176000.

The previous prime is 23421424231. The next prime is 23421424267. The reversal of 23421424250 is 5242412432.

It can be written as a sum of positive squares in 8 ways, for example, as 1251107641 + 22170316609 = 35371^2 + 148897^2 .

It is a super-2 number, since 2×234214242502 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 478934 + ... + 525566.

Almost surely, 223421424250 is an apocalyptic number.

23421424250 is an abundant number, since it is smaller than the sum of its proper divisors (28826936278).

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

23421424250 is a wasteful number, since it uses less digits than its factorization.

23421424250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46705 (or 46688 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 23421424250 its reverse (5242412432), we get a palindrome (28663836682).

The spelling of 23421424250 in words is "twenty-three billion, four hundred twenty-one million, four hundred twenty-four thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 41 49 50 70 82 98 125 175 205 245 250 287 350 410 490 574 875 1025 1225 1435 1750 2009 2050 2450 2870 4018 5125 6125 7175 10045 10250 12250 14350 20090 35875 46633 50225 71750 93266 100450 233165 251125 326431 466330 502250 652862 1165825 1632155 1911953 2285017 2331650 3264310 3823906 4570034 5829125 8160775 9559765 11425085 11658250 13383671 16321550 19119530 22850170 26767342 40803875 47798825 57125425 66918355 81607750 93685697 95597650 114250850 133836710 187371394 238994125 285627125 334591775 468428485 477988250 571254250 669183550 936856970 1672958875 2342142425 3345917750 4684284850 11710712125 23421424250