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20120113230194 = 264315645500179
BaseRepresentation
bin1001001001100100101000…
…01100111011000101110010
32122020110112021200210210002
410210302110030323011302
510114121442441331234
6110443015153310002
74144426106441315
oct444622414730562
978213467623702
1020120113230194
11645798a42a72a
12230b4b5265302
13b2c41aa94803
144d7b6663a97c
1524d584c5627e
hex124c9433b172

20120113230194 has 8 divisors (see below), whose sum is σ = 30227106347760. Its totient is φ = 10044411114276.

The previous prime is 20120113230143. The next prime is 20120113230211. The reversal of 20120113230194 is 49103231102102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7822748804 + ... + 7822751375.

It is an arithmetic number, because the mean of its divisors is an integer number (3778388293470).

Almost surely, 220120113230194 is an apocalyptic number.

20120113230194 is a deficient number, since it is larger than the sum of its proper divisors (10106993117566).

20120113230194 is a wasteful number, since it uses less digits than its factorization.

20120113230194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15645500824.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 20120113230194 its reverse (49103231102102), we get a palindrome (69223344332296).

The spelling of 20120113230194 in words is "twenty trillion, one hundred twenty billion, one hundred thirteen million, two hundred thirty thousand, one hundred ninety-four".

Divisors: 1 2 643 1286 15645500179 31291000358 10060056615097 20120113230194