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4168404381 = 321160110957
BaseRepresentation
bin1111100001110100…
…1100110110011101
3101202111120212211110
43320131030312131
532014102420011
61525343212233
7205203565311
oct37035146635
911674525743
104168404381
111849a569a9
12983ba7079
1351579568b
142b786db41
15195e3cba6
hexf874cd9d

4168404381 has 16 divisors (see below), whose sum is σ = 5594015168. Its totient is φ = 2760912000.

The previous prime is 4168404371. The next prime is 4168404451. The reversal of 4168404381 is 1834048614.

It is not a de Polignac number, because 4168404381 - 213 = 4168396189 is a prime.

It is a super-2 number, since 2×41684043812 = 34751190167079986322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4168404311) 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, 374955 + ... + 385911.

It is an arithmetic number, because the mean of its divisors is an integer number (349625948).

Almost surely, 24168404381 is an apocalyptic number.

It is an amenable number.

4168404381 is a deficient number, since it is larger than the sum of its proper divisors (1425610787).

4168404381 is a wasteful number, since it uses less digits than its factorization.

4168404381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11772.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 4168404381 is about 64563.1813110228. The cubic root of 4168404381 is about 1609.3726425509.

The spelling of 4168404381 in words is "four billion, one hundred sixty-eight million, four hundred four thousand, three hundred eighty-one".

Divisors: 1 3 211 601 633 1803 10957 32871 126811 380433 2311927 6585157 6935781 19755471 1389468127 4168404381