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2879062381 = 131913983857
BaseRepresentation
bin1010101110011011…
…0000000101101101
321102122110112010001
42223212300011231
521344014444011
61153404144301
7131226424606
oct25346600555
97378415101
102879062381
1112481791a8
12684238091
1336b61c910
141d4524dad
1511cb557c1
hexab9b016d

2879062381 has 16 divisors (see below), whose sum is σ = 3287233600. Its totient is φ = 2499579648.

The previous prime is 2879062337. The next prime is 2879062399. The reversal of 2879062381 is 1832609782.

2879062381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2879062381 - 211 = 2879060333 is a prime.

It is a super-2 number, since 2×28790623812 = 16578000387378778322, 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 (2879062301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7596 + ... + 76261.

It is an arithmetic number, because the mean of its divisors is an integer number (205452100).

Almost surely, 22879062381 is an apocalyptic number.

It is an amenable number.

2879062381 is a deficient number, since it is larger than the sum of its proper divisors (408171219).

2879062381 is a wasteful number, since it uses less digits than its factorization.

2879062381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84028.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 2879062381 is about 53656.8949996177. The cubic root of 2879062381 is about 1422.6029063920.

The spelling of 2879062381 in words is "two billion, eight hundred seventy-nine million, sixty-two thousand, three hundred eighty-one".

Divisors: 1 13 19 139 247 1807 2641 34333 83857 1090141 1593283 11656123 20712679 151529599 221466337 2879062381