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20431232414210 = 2541183809271109
BaseRepresentation
bin1001010010101000001000…
…10110011011001000000010
32200100012120201022220111102
410221110010112123020002
510134221130444223320
6111241551213214402
74206051662042042
oct451240426331002
980305521286442
1020431232414210
116567923069502
12235b862491402
13b5287041a437
14508c3c3d5722
152566e3698175
hex12950459b202

20431232414210 has 32 divisors (see below), whose sum is σ = 37673543199600. Its totient is φ = 7973091082240.

The previous prime is 20431232414209. The next prime is 20431232414213. The reversal of 20431232414210 is 1241423213402.

It can be written as a sum of positive squares in 8 ways, for example, as 5286316041601 + 15144916372609 = 2299199^2 + 3891647^2 .

It is not an unprimeable number, because it can be changed into a prime (20431232414213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75226136 + ... + 75497244.

Almost surely, 220431232414210 is an apocalyptic number.

20431232414210 is a deficient number, since it is larger than the sum of its proper divisors (17242310785390).

20431232414210 is a wasteful number, since it uses less digits than its factorization.

20431232414210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454966.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 20431232414210 its reverse (1241423213402), we get a palindrome (21672655627612).

The spelling of 20431232414210 in words is "twenty trillion, four hundred thirty-one billion, two hundred thirty-two million, four hundred fourteen thousand, two hundred ten".

Divisors: 1 2 5 10 41 82 205 410 183809 271109 367618 542218 919045 1355545 1838090 2711090 7536169 11115469 15072338 22230938 37680845 55577345 75361690 111154690 49832274181 99664548362 249161370905 498322741810 2043123241421 4086246482842 10215616207105 20431232414210