Search a number
-
+
212000211020 = 225137547108041
BaseRepresentation
bin1100010101110000110…
…0101000000001001100
3202021012122210120022102
43011130030220001030
511433134023223040
6241220324134232
721213364026653
oct3053414500114
9667178716272
10212000211020
11819aa657374
1235106537378
1316cb7528a60
14a391b5619a
1557abc37515
hex315c32804c

212000211020 has 48 divisors (see below), whose sum is σ = 479514597408. Its totient is φ = 78265904640.

The previous prime is 212000211019. The next prime is 212000211029. The reversal of 212000211020 is 20112000212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212000210992 and 212000211010.

It is not an unprimeable number, because it can be changed into a prime (212000211029) 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, 1908200 + ... + 2016240.

It is an arithmetic number, because the mean of its divisors is an integer number (9989887446).

Almost surely, 2212000211020 is an apocalyptic number.

212000211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212000211020 is an abundant number, since it is smaller than the sum of its proper divisors (267514386388).

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

212000211020 is a wasteful number, since it uses less digits than its factorization.

212000211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115610 (or 115608 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212000211020 its reverse (20112000212), we get a palindrome (232112211232).

The spelling of 212000211020 in words is "two hundred twelve billion, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 7547 15094 30188 37735 75470 98111 108041 150940 196222 216082 392444 432164 490555 540205 981110 1080410 1404533 1962220 2160820 2809066 5618132 7022665 14045330 28090660 815385427 1630770854 3261541708 4076927135 8153854270 10600010551 16307708540 21200021102 42400042204 53000052755 106000105510 212000211020