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220432211325401 = 1991107699554399
BaseRepresentation
bin110010000111101101011111…
…101001110011000111011001
31001220111010001210221210202212
4302013231133221303013121
5212343030132044403101
62100453054312204505
764300462455105215
oct6207553751630731
91056433053853685
10220432211325401
1164266859701269
12208812a5699735
1395cc88c4415ba
143c60d94037945
151a73e336501bb
hexc87b5fa731d9

220432211325401 has 4 divisors (see below), whose sum is σ = 221539910880000. Its totient is φ = 219324511770804.

The previous prime is 220432211325397. The next prime is 220432211325407. The reversal of 220432211325401 is 104523112234022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220432211325401 - 22 = 220432211325397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220432211325407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553849777001 + ... + 553849777398.

It is an arithmetic number, because the mean of its divisors is an integer number (55384977720000).

Almost surely, 2220432211325401 is an apocalyptic number.

It is an amenable number.

220432211325401 is a deficient number, since it is larger than the sum of its proper divisors (1107699554599).

220432211325401 is a wasteful number, since it uses less digits than its factorization.

220432211325401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107699554598.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 220432211325401 its reverse (104523112234022), we get a palindrome (324955323559423).

The spelling of 220432211325401 in words is "two hundred twenty trillion, four hundred thirty-two billion, two hundred eleven million, three hundred twenty-five thousand, four hundred one".

Divisors: 1 199 1107699554399 220432211325401