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213210200120 = 23519280539737
BaseRepresentation
bin1100011010010001010…
…0010111100000111000
3202101022222121101022112
43012210110113200320
511443123302400440
6241540350311452
721255355540661
oct3064424274070
9671288541275
10213210200120
1182470666065
12353a37b8588
131714b109b38
14a468726368
15582d097965
hex31a4517838

213210200120 has 32 divisors (see below), whose sum is σ = 504971528400. Its totient is φ = 80795443968.

The previous prime is 213210200089. The next prime is 213210200149. The reversal of 213210200120 is 21002012312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213210200095 and 213210200104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140269109 + ... + 140270628.

Almost surely, 2213210200120 is an apocalyptic number.

213210200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213210200120 is an abundant number, since it is smaller than the sum of its proper divisors (291761328280).

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

213210200120 is a wasteful number, since it uses less digits than its factorization.

213210200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280539767 (or 280539763 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 213210200120 its reverse (21002012312), we get a palindrome (234212212432).

The spelling of 213210200120 in words is "two hundred thirteen billion, two hundred ten million, two hundred thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 280539737 561079474 1122158948 1402698685 2244317896 2805397370 5330255003 5610794740 10660510006 11221589480 21321020012 26651275015 42642040024 53302550030 106605100060 213210200120