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5115601879381 = 74353320667077
BaseRepresentation
bin100101001110001000110…
…1000100000000101010101
3200010001021002110001122101
41022130101220200011111
51132303223040120011
614514024114002101
71035406245344350
oct112342150400525
920101232401571
105115601879381
1116a2572996554
126a7530876331
132b1526025ba6
1413984c943297
158d1065102c1
hex4a711a20155

5115601879381 has 16 divisors (see below), whose sum is σ = 6095239818624. Its totient is φ = 4202021363904.

The previous prime is 5115601879343. The next prime is 5115601879397. The reversal of 5115601879381 is 1839781065115.

It is not a de Polignac number, because 5115601879381 - 223 = 5115593490773 is a prime.

It is a super-2 number, since 2×51156018793812 (a number of 26 digits) 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 (5115601879481) 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, 160317586 + ... + 160349491.

It is an arithmetic number, because the mean of its divisors is an integer number (380952488664).

Almost surely, 25115601879381 is an apocalyptic number.

It is an amenable number.

5115601879381 is a deficient number, since it is larger than the sum of its proper divisors (979637939243).

5115601879381 is a wasteful number, since it uses less digits than its factorization.

5115601879381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320667180.

The product of its (nonzero) digits is 1814400, while the sum is 55.

The spelling of 5115601879381 in words is "five trillion, one hundred fifteen billion, six hundred one million, eight hundred seventy-nine thousand, three hundred eighty-one".

Divisors: 1 7 43 53 301 371 2279 15953 320667077 2244669539 13788684311 16995355081 96520790177 118967485567 730800268483 5115601879381