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4913888091 = 371912315509
BaseRepresentation
bin1001001001110001…
…11111101101011011
3110200110100101020020
410210320333231123
540030423404331
62131333401523
7232525234230
oct44470775533
913613311206
104913888091
1120a1841942
12b517992a3
1360406b5b8
14348887787
151db5e6c96
hex124e3fb5b

4913888091 has 16 divisors (see below), whose sum is σ = 7881926400. Its totient is φ = 2660149728.

The previous prime is 4913888069. The next prime is 4913888137. The reversal of 4913888091 is 1908883194.

It is not a de Polignac number, because 4913888091 - 27 = 4913887963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4913888011) 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, 6157356 + ... + 6158153.

It is an arithmetic number, because the mean of its divisors is an integer number (492620400).

Almost surely, 24913888091 is an apocalyptic number.

4913888091 is a deficient number, since it is larger than the sum of its proper divisors (2968038309).

4913888091 is a wasteful number, since it uses less digits than its factorization.

4913888091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12315538.

The product of its (nonzero) digits is 497664, while the sum is 51.

The square root of 4913888091 is about 70099.1304582304. The cubic root of 4913888091 is about 1700.1024264699.

The spelling of 4913888091 in words is "four billion, nine hundred thirteen million, eight hundred eighty-eight thousand, ninety-one".

Divisors: 1 3 7 19 21 57 133 399 12315509 36946527 86208563 233994671 258625689 701984013 1637962697 4913888091