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4988631051 = 33199724427
BaseRepresentation
bin1001010010101100…
…00111100000001011
3110212122222201022000
410221112013200023
540204042143201
62143003402043
7234423443565
oct45126074013
913778881260
104988631051
11212aa52388
12b72823323
136166aabc1
14354782335
151e2e5cd86
hex12958780b

4988631051 has 16 divisors (see below), whose sum is σ = 7779542400. Its totient is φ = 3150714024.

The previous prime is 4988631049. The next prime is 4988631061. The reversal of 4988631051 is 1501368894.

4988631051 is a `hidden beast` number, since 4 + 9 + 8 + 8 + 631 + 0 + 5 + 1 = 666.

It is not a de Polignac number, because 4988631051 - 21 = 4988631049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4988630988 and 4988631006.

It is not an unprimeable number, because it can be changed into a prime (4988631031) 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, 4861701 + ... + 4862726.

It is an arithmetic number, because the mean of its divisors is an integer number (486221400).

Almost surely, 24988631051 is an apocalyptic number.

4988631051 is a deficient number, since it is larger than the sum of its proper divisors (2790911349).

4988631051 is a wasteful number, since it uses less digits than its factorization.

4988631051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9724455 (or 9724449 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 4988631051 is about 70630.2417594616. The cubic root of 4988631051 is about 1708.6789211697.

The spelling of 4988631051 in words is "four billion, nine hundred eighty-eight million, six hundred thirty-one thousand, fifty-one".

Divisors: 1 3 9 19 27 57 171 513 9724427 29173281 87519843 184764113 262559529 554292339 1662877017 4988631051