Search a number
-
+
2142120410430 = 235741113207967
BaseRepresentation
bin11111001011000000010…
…100110111110100111110
321120210012001110201222220
4133023000110313310332
5240044030311113210
64320024310350210
7310522512030000
oct37130024676476
97523161421886
102142120410430
11756517143740
122a71a795b366
1312700250c3a0
147597195c370
153aac4e48c70
hex1f2c0537d3e

2142120410430 has 320 divisors, whose sum is σ = 7046142179328. Its totient is φ = 410874266880.

The previous prime is 2142120410413. The next prime is 2142120410461. The reversal of 2142120410430 is 340140212412.

It is a self number, because there is not a number n which added to its sum of digits gives 2142120410430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 10196307 + ... + 10404273.

Almost surely, 22142120410430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2142120410430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3523071089664).

2142120410430 is an abundant number, since it is smaller than the sum of its proper divisors (4904021768898).

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

2142120410430 is a wasteful number, since it uses less digits than its factorization.

2142120410430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208029 (or 208008 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2142120410430 its reverse (340140212412), we get a palindrome (2482260622842).

The spelling of 2142120410430 in words is "two trillion, one hundred forty-two billion, one hundred twenty million, four hundred ten thousand, four hundred thirty".