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230663621140 = 22547373965629
BaseRepresentation
bin1101011011010010011…
…1111000101000010100
3211001101100022000221021
43112310213320220110
512234344341334030
6253544305530524
722444026300241
oct3266447705024
9731340260837
10230663621140
1189907667657
1238854943a44
13189a00270b4
14b2427145c8
15600048697a
hex35b49f8a14

230663621140 has 48 divisors (see below), whose sum is σ = 494839699200. Its totient is φ = 90276826752.

The previous prime is 230663621113. The next prime is 230663621143. The reversal of 230663621140 is 41126366032.

230663621140 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 2×2306636211402 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230663621096 and 230663621105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230663621143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3481846 + ... + 3547474.

It is an arithmetic number, because the mean of its divisors is an integer number (10309160400).

Almost surely, 2230663621140 is an apocalyptic number.

230663621140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230663621140 is an abundant number, since it is smaller than the sum of its proper divisors (264176078060).

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

230663621140 is a wasteful number, since it uses less digits than its factorization.

230663621140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69424 (or 69422 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 230663621140 its reverse (41126366032), we get a palindrome (271789987172).

The spelling of 230663621140 in words is "two hundred thirty billion, six hundred sixty-three million, six hundred twenty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 3739 7478 14956 18695 37390 65629 74780 131258 175733 262516 328145 351466 656290 702932 878665 1312580 1757330 3084563 3514660 6169126 12338252 15422815 30845630 61691260 245386831 490773662 981547324 1226934155 2453868310 4907736620 11533181057 23066362114 46132724228 57665905285 115331810570 230663621140