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213142432332 = 22397861181501
BaseRepresentation
bin1100011010000001000…
…1110110101001001100
3202101011021002102101110
43012200101312221030
511443003430313312
6241525530012020
721253603532154
oct3064021665114
9671137072343
10213142432332
118243638a125
1235384b77010
131713a07035b
14a45d725764
15582715d43c
hex31a0476a4c

213142432332 has 24 divisors (see below), whose sum is σ = 497340164272. Its totient is φ = 71046360000.

The previous prime is 213142432303. The next prime is 213142432339. The reversal of 213142432332 is 233234241312.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 213142432332.

It is not an unprimeable number, because it can be changed into a prime (213142432339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083582 + ... + 1265082.

Almost surely, 2213142432332 is an apocalyptic number.

It is an amenable number.

213142432332 is an abundant number, since it is smaller than the sum of its proper divisors (284197731940).

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

213142432332 is a wasteful number, since it uses less digits than its factorization.

213142432332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279369 (or 279367 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

Adding to 213142432332 its reverse (233234241312), we get a palindrome (446376673644).

The spelling of 213142432332 in words is "two hundred thirteen billion, one hundred forty-two million, four hundred thirty-two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 97861 181501 195722 293583 363002 391444 544503 587166 726004 1089006 1174332 2178012 17761869361 35523738722 53285608083 71047477444 106571216166 213142432332