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22000210212 = 22337137361679
BaseRepresentation
bin10100011111010100…
…001001000100100100
32002210020021110211110
4110133110021010210
5330024023211322
614035020505020
71406120462361
oct243724110444
962706243743
1022000210212
11936a5aa612
12431b9ab170
1320c7bc6886
1410c9bd7468
1588b670c0c
hex51f509124

22000210212 has 48 divisors (see below), whose sum is σ = 53106197760. Its totient is φ = 7083101952.

The previous prime is 22000210157. The next prime is 22000210261. The reversal of 22000210212 is 21201200022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120012 + ... + 241667.

It is an arithmetic number, because the mean of its divisors is an integer number (1106379120).

Almost surely, 222000210212 is an apocalyptic number.

It is an amenable number.

22000210212 is an abundant number, since it is smaller than the sum of its proper divisors (31105987548).

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

22000210212 is a wasteful number, since it uses less digits than its factorization.

22000210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361860 (or 361858 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22000210212 its reverse (21201200022), we get a palindrome (43201410234).

The spelling of 22000210212 in words is "twenty-two billion, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 37 74 111 137 148 222 274 411 444 548 822 1644 5069 10138 15207 20276 30414 60828 361679 723358 1085037 1446716 2170074 4340148 13382123 26764246 40146369 49550023 53528492 80292738 99100046 148650069 160585476 198200092 297300138 594600276 1833350851 3666701702 5500052553 7333403404 11000105106 22000210212