Search a number
-
+
212401432101 = 3175897402511
BaseRepresentation
bin1100010111010000011…
…1001010011000100101
3202022020121202201011110
43011310013022120211
511434444231311401
6241324215455233
721226335245505
oct3056407123045
9668217681143
10212401432101
1182096086741
12351b8987519
131704c6a7091
14a3cd157a05
1557d208c9d6
hex31741ca625

212401432101 has 8 divisors (see below), whose sum is σ = 283204223104. Its totient is φ = 141599797920.

The previous prime is 212401432051. The next prime is 212401432163. The reversal of 212401432101 is 101234104212.

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

It is not a de Polignac number, because 212401432101 - 211 = 212401430053 is a prime.

It is a super-2 number, since 2×2124014321012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212401434101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326436 + ... + 728946.

It is an arithmetic number, because the mean of its divisors is an integer number (35400527888).

Almost surely, 2212401432101 is an apocalyptic number.

It is an amenable number.

212401432101 is a deficient number, since it is larger than the sum of its proper divisors (70802791003).

212401432101 is a wasteful number, since it uses less digits than its factorization.

212401432101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578411.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 212401432101 its reverse (101234104212), we get a palindrome (313635536313).

The spelling of 212401432101 in words is "two hundred twelve billion, four hundred one million, four hundred thirty-two thousand, one hundred one".

Divisors: 1 3 175897 402511 527691 1207533 70800477367 212401432101