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213212302302 = 231271514014621
BaseRepresentation
bin1100011010010001110…
…0011000101111011110
3202101100010120011222010
43012210130120233132
511443124322133202
6241540503332050
721255412444536
oct3064434305736
9671303504863
10213212302302
11824718714aa
12353a4451026
131714b69492c
14a468b124c6
15582d36076c
hex31a4718bde

213212302302 has 64 divisors (see below), whose sum is σ = 433801248768. Its totient is φ = 69854400000.

The previous prime is 213212302271. The next prime is 213212302333. The reversal of 213212302302 is 203203212312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213212302271) and next prime (213212302333).

It is a super-3 number, since 3×2132123023023 (a number of 35 digits) contains 333 as substring.

213212302302 is a modest number, since divided by 302302 gives 213212 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46137552 + ... + 46142172.

It is an arithmetic number, because the mean of its divisors is an integer number (6778144512).

Almost surely, 2213212302302 is an apocalyptic number.

213212302302 is an abundant number, since it is smaller than the sum of its proper divisors (220588946466).

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

213212302302 is a wasteful number, since it uses less digits than its factorization.

213212302302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213212302302 its reverse (203203212312), we get a palindrome (416415514614).

The spelling of 213212302302 in words is "two hundred thirteen billion, two hundred twelve million, three hundred two thousand, three hundred two".

Divisors: 1 2 3 6 127 151 254 302 381 401 453 762 802 906 1203 2406 4621 9242 13863 19177 27726 38354 50927 57531 60551 101854 115062 121102 152781 181653 305562 363306 586867 697771 1173734 1395542 1760601 1853021 2093313 3521202 3706042 4186626 5559063 7689977 11118126 15379954 23069931 46139862 88616917 177233834 235333667 265850751 279806171 470667334 531701502 559612342 706001001 839418513 1412002002 1678837026 35535383717 71070767434 106606151151 213212302302