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213202233312 = 25319311507029
BaseRepresentation
bin1100011010001111010…
…1111110011111100000
3202101022102121121220120
43012203311332133200
511443114232431222
6241535503440240
721255231040065
oct3064365763740
9671272547816
10213202233312
1182467114522
12353a0bb6080
131714957a853
14a467650c6c
15582c52215c
hex31a3d7e7e0

213202233312 has 48 divisors (see below), whose sum is σ = 562555682640. Its totient is φ = 70699180032.

The previous prime is 213202233289. The next prime is 213202233341. The reversal of 213202233312 is 213332202312.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 5734987 + ... + 5772042.

It is an arithmetic number, because the mean of its divisors is an integer number (11719910055).

Almost surely, 2213202233312 is an apocalyptic number.

It is an amenable number.

213202233312 is an abundant number, since it is smaller than the sum of its proper divisors (349353449328).

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

213202233312 is a wasteful number, since it uses less digits than its factorization.

213202233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11507235 (or 11507227 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213202233312 its reverse (213332202312), we get a palindrome (426534435624).

The spelling of 213202233312 in words is "two hundred thirteen billion, two hundred two million, two hundred thirty-three thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 193 386 579 772 1158 1544 2316 3088 4632 6176 9264 18528 11507029 23014058 34521087 46028116 69042174 92056232 138084348 184112464 276168696 368224928 552337392 1104674784 2220856597 4441713194 6662569791 8883426388 13325139582 17766852776 26650279164 35533705552 53300558328 71067411104 106601116656 213202233312