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213221000131132 = 22722033353502299
BaseRepresentation
bin110000011110110001100001…
…111110001011001000111100
31000221221201200002212110120211
4300132301201332023020330
5210421403102013144012
62033252213013522204
762624465103235300
oct6036614176131074
91027851602773524
10213221000131132
1161a36577a06614
121bab77a9643364
1391c8866bc5b56
143a91d46b95d00
15199b57a6216a7
hexc1ec61f8b23c

213221000131132 has 36 divisors (see below), whose sum is σ = 434078391511800. Its totient is φ = 91375932726624.

The previous prime is 213221000131127. The next prime is 213221000131159. The reversal of 213221000131132 is 231131000122312.

213221000131132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2132210001311322 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22765882 + ... + 30736417.

It is an arithmetic number, because the mean of its divisors is an integer number (12057733097550).

Almost surely, 2213221000131132 is an apocalyptic number.

It is an amenable number.

213221000131132 is an abundant number, since it is smaller than the sum of its proper divisors (220857391380668).

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

213221000131132 is a wasteful number, since it uses less digits than its factorization.

213221000131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53522650 (or 53522641 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 213221000131132 its reverse (231131000122312), we get a palindrome (444352000253444).

The spelling of 213221000131132 in words is "two hundred thirteen trillion, two hundred twenty-one billion, one hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 49 98 196 20333 40666 81332 142331 284662 569324 996317 1992634 3985268 53502299 107004598 214009196 374516093 749032186 1498064372 2621612651 5243225302 10486450604 1087862245567 2175724491134 4351448982268 7615035718969 15230071437938 30460142875876 53305250032783 106610500065566 213221000131132