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213231004030 = 25116131778093
BaseRepresentation
bin1100011010010110001…
…1101110100101111110
3202101101102202022220201
43012211203232211332
511443144114112110
6241542412234114
721256030425532
oct3064543564576
9671342668821
10213231004030
1182481385380
12353aa76b93a
1317152512145
14a46b3bdbc2
15582ed06b3a
hex31a58ee97e

213231004030 has 32 divisors (see below), whose sum is σ = 425572234848. Its totient is φ = 76267420800.

The previous prime is 213231004009. The next prime is 213231004057. The reversal of 213231004030 is 30400132312.

It is a super-2 number, since 2×2132310040302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213231003989 and 213231004007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15882337 + ... + 15895756.

It is an arithmetic number, because the mean of its divisors is an integer number (13299132339).

Almost surely, 2213231004030 is an apocalyptic number.

213231004030 is a deficient number, since it is larger than the sum of its proper divisors (212341230818).

213231004030 is a wasteful number, since it uses less digits than its factorization.

213231004030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31778172.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213231004030 its reverse (30400132312), we get a palindrome (243631136342).

The spelling of 213231004030 in words is "two hundred thirteen billion, two hundred thirty-one million, four thousand, thirty".

Divisors: 1 2 5 10 11 22 55 61 110 122 305 610 671 1342 3355 6710 31778093 63556186 158890465 317780930 349559023 699118046 1747795115 1938463673 3495590230 3876927346 9692318365 19384636730 21323100403 42646200806 106615502015 213231004030