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213120102302 = 21728279221657
BaseRepresentation
bin1100011001111011110…
…0101010111110011110
3202101002201001221100022
43012132330222332132
511442432221233202
6241523411232142
721253212660062
oct3063674527636
9671081057308
10213120102302
1182424818258
12353795a8652
1317135552513
14a45a791aa2
1558251ebea2
hex319ef2af9e

213120102302 has 16 divisors (see below), whose sum is σ = 338498364960. Its totient is φ = 100287813888.

The previous prime is 213120102277. The next prime is 213120102337. The reversal of 213120102302 is 203201021312.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 850658 + ... + 1072314.

It is an arithmetic number, because the mean of its divisors is an integer number (21156147810).

Almost surely, 2213120102302 is an apocalyptic number.

213120102302 is a deficient number, since it is larger than the sum of its proper divisors (125378262658).

213120102302 is a wasteful number, since it uses less digits than its factorization.

213120102302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249955.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 213120102302 its reverse (203201021312), we get a palindrome (416321123614).

The spelling of 213120102302 in words is "two hundred thirteen billion, one hundred twenty million, one hundred two thousand, three hundred two".

Divisors: 1 2 17 34 28279 56558 221657 443314 480743 961486 3768169 7536338 6268238303 12536476606 106560051151 213120102302