Search a number
-
+
213420034310 = 25711326981041
BaseRepresentation
bin1100011011000011010…
…0110100100100000110
3202101212121110001201012
43012300310310210012
511444041012044220
6242013244002222
721263514234320
oct3066064644406
9671777401635
10213420034310
118256905564a
1235441b30372
1317182728392
14a488548610
1558416e5ac5
hex31b0d34906

213420034310 has 32 divisors (see below), whose sum is σ = 442920785472. Its totient is φ = 72525035520.

The previous prime is 213420034301. The next prime is 213420034319. The reversal of 213420034310 is 13430024312.

It is an interprime number because it is at equal distance from previous prime (213420034301) and next prime (213420034319).

It is a super-2 number, since 2×2134200343102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213420034319) 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, 13482611 + ... + 13498430.

It is an arithmetic number, because the mean of its divisors is an integer number (13841274546).

Almost surely, 2213420034310 is an apocalyptic number.

213420034310 is an abundant number, since it is smaller than the sum of its proper divisors (229500751162).

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

213420034310 is a wasteful number, since it uses less digits than its factorization.

213420034310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26981168.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213420034310 its reverse (13430024312), we get a palindrome (226850058622).

The spelling of 213420034310 in words is "two hundred thirteen billion, four hundred twenty million, thirty-four thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 113 226 565 791 1130 1582 3955 7910 26981041 53962082 134905205 188867287 269810410 377734574 944336435 1888672870 3048857633 6097715266 15244288165 21342003431 30488576330 42684006862 106710017155 213420034310