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213230144042 = 23759442111047
BaseRepresentation
bin1100011010010110000…
…0011100101000101010
3202101101101010122020022
43012211200130220222
511443143404102132
6241542342000442
721256020214346
oct3064540345052
9671341118208
10213230144042
1182480948243
12353aa416122
13171522a0886
14a46b238626
15582ebd6e12
hex31a581ca2a

213230144042 has 32 divisors (see below), whose sum is σ = 334163111040. Its totient is φ = 101943092160.

The previous prime is 213230144003. The next prime is 213230144069. The reversal of 213230144042 is 240441032312.

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, 19296563 + ... + 19307609.

It is an arithmetic number, because the mean of its divisors is an integer number (10442597220).

Almost surely, 2213230144042 is an apocalyptic number.

213230144042 is a deficient number, since it is larger than the sum of its proper divisors (120932966998).

213230144042 is a wasteful number, since it uses less digits than its factorization.

213230144042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15566.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 213230144042 its reverse (240441032312), we get a palindrome (453671176354).

The spelling of 213230144042 in words is "two hundred thirteen billion, two hundred thirty million, one hundred forty-four thousand, forty-two".

Divisors: 1 2 37 59 74 118 2183 4366 4421 8842 11047 22094 163577 260839 327154 408739 521678 651773 817478 1303546 9651043 19302086 24115601 48231202 48838787 97677574 1807035119 2881488433 3614070238 5762976866 106615072021 213230144042