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3981374051 = 311031246907
BaseRepresentation
bin1110110101001110…
…1111001001100011
3101021110122202110012
43231103233021203
531123212432201
61455022355135
7200443056344
oct35523571143
911243582405
103981374051
111763422286
1293142baab
134b5acc845
1429aaa60cb
151847e65bb
hexed4ef263

3981374051 has 8 divisors (see below), whose sum is σ = 4149709824. Its totient is φ = 3815532360.

The previous prime is 3981374029. The next prime is 3981374053. The reversal of 3981374051 is 1504731893.

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 3981374051 - 210 = 3981373027 is a prime.

It is a super-3 number, since 3×39813740513 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3981374053) 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 7 ways as a sum of consecutive naturals, for example, 620261 + ... + 626646.

It is an arithmetic number, because the mean of its divisors is an integer number (518713728).

Almost surely, 23981374051 is an apocalyptic number.

3981374051 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3981374051 is a deficient number, since it is larger than the sum of its proper divisors (168335773).

3981374051 is a wasteful number, since it uses less digits than its factorization.

3981374051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247041.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 3981374051 is about 63098.1303288774. The cubic root of 3981374051 is about 1584.9333134113.

The spelling of 3981374051 in words is "three billion, nine hundred eighty-one million, three hundred seventy-four thousand, fifty-one".

Divisors: 1 31 103 3193 1246907 38654117 128431421 3981374051