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3979213005 = 35265280867
BaseRepresentation
bin1110110100101101…
…1111100011001101
3101021022120222001110
43231023133203031
531122134304010
61454504202233
7200415516045
oct35513374315
911238528043
103979213005
111762186699
12930769379
134b5524011
1429a6a2725
1518451b120
hexed2df8cd

3979213005 has 8 divisors (see below), whose sum is σ = 6366740832. Its totient is φ = 2122246928.

The previous prime is 3979212961. The next prime is 3979213009. The reversal of 3979213005 is 5003129793.

3979213005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3979213005 - 27 = 3979212877 is a prime.

It is a super-2 number, since 2×39792130052 = 31668272278322260050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979213009) 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, 132640419 + ... + 132640448.

It is an arithmetic number, because the mean of its divisors is an integer number (795842604).

Almost surely, 23979213005 is an apocalyptic number.

It is an amenable number.

3979213005 is a deficient number, since it is larger than the sum of its proper divisors (2387527827).

3979213005 is a wasteful number, since it uses less digits than its factorization.

3979213005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265280875.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 3979213005 is about 63081.0035192846. The cubic root of 3979213005 is about 1584.6465000612.

The spelling of 3979213005 in words is "three billion, nine hundred seventy-nine million, two hundred thirteen thousand, five".

Divisors: 1 3 5 15 265280867 795842601 1326404335 3979213005