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222141430400520 = 233515139122278789
BaseRepresentation
bin110010100000100101010101…
…000011001000011000001000
31002010112111212020012011120110
4302200211111003020120020
5213104031122140304040
62104242210404554320
764535121505403631
oct6240452503103010
91063474766164513
10222141430400520
11648657192783a4
1220ab85b76b29a0
1396c4b01b2cab7
143cbd9b9d06888
151aa361d4c1980
hexca09550c8608

222141430400520 has 64 divisors (see below), whose sum is σ = 666468317016000. Its totient is φ = 59233801367808.

The previous prime is 222141430400489. The next prime is 222141430400567. The reversal of 222141430400520 is 25004034141222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 59322715 + ... + 62956074.

It is an arithmetic number, because the mean of its divisors is an integer number (10413567453375).

Almost surely, 2222141430400520 is an apocalyptic number.

222141430400520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222141430400520 is an abundant number, since it is smaller than the sum of its proper divisors (444326886615480).

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

222141430400520 is a wasteful number, since it uses less digits than its factorization.

222141430400520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122293942 (or 122293938 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 222141430400520 its reverse (25004034141222), we get a palindrome (247145464541742).

The spelling of 222141430400520 in words is "two hundred twenty-two trillion, one hundred forty-one billion, four hundred thirty million, four hundred thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 15139 30278 45417 60556 75695 90834 121112 151390 181668 227085 302780 363336 454170 605560 908340 1816680 122278789 244557578 366836367 489115156 611393945 733672734 978230312 1222787890 1467345468 1834181835 2445575780 2934690936 3668363670 4891151560 7336727340 14673454680 1851178586671 3702357173342 5553535760013 7404714346684 9255892933355 11107071520026 14809428693368 18511785866710 22214143040052 27767678800065 37023571733420 44428286080104 55535357600130 74047143466840 111070715200260 222141430400520