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4378867081 = 37943326683
BaseRepresentation
bin1000001010000000…
…00011010110001001
3102022011121111101021
410011000003112021
532431442221311
62002302152441
7213340520221
oct40500032611
912264544337
104378867081
111947835716
12a22582721
1354a274014
142d77b7081
151a9662171
hex105003589

4378867081 has 8 divisors (see below), whose sum is σ = 4400725280. Its totient is φ = 4357063872.

The previous prime is 4378867079. The next prime is 4378867111. The reversal of 4378867081 is 1807688734.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4378867081 - 21 = 4378867079 is a prime.

It is a super-2 number, since 2×43788670812 = 38348953826130921122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4378867481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150766 + ... + 177448.

It is an arithmetic number, because the mean of its divisors is an integer number (550090660).

Almost surely, 24378867081 is an apocalyptic number.

It is an amenable number.

4378867081 is a deficient number, since it is larger than the sum of its proper divisors (21858199).

4378867081 is a wasteful number, since it uses less digits than its factorization.

4378867081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27495.

The product of its (nonzero) digits is 1806336, while the sum is 52.

The square root of 4378867081 is about 66173.0087044559. The cubic root of 4378867081 is about 1636.0148980745.

The spelling of 4378867081 in words is "four billion, three hundred seventy-eight million, eight hundred sixty-seven thousand, eighty-one".

Divisors: 1 379 433 26683 164107 10112857 11553739 4378867081