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4970439991 = 1117173153641
BaseRepresentation
bin1001010000100001…
…01110010100110111
3110211101202111212001
410220100232110313
540134413034431
62141113440131
7234113020456
oct45020562467
913741674761
104970439991
112120758150
12b68710047
136129abc6a
143521a8b9d
151e1567e61
hex12842e537

4970439991 has 16 divisors (see below), whose sum is σ = 5774480928. Its totient is φ = 4228172800.

The previous prime is 4970439967. The next prime is 4970440009. The reversal of 4970439991 is 1999340794.

It is a cyclic number.

It is not a de Polignac number, because 4970439991 - 213 = 4970431799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4970439931) 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, 44470 + ... + 109171.

It is an arithmetic number, because the mean of its divisors is an integer number (360905058).

Almost surely, 24970439991 is an apocalyptic number.

4970439991 is a deficient number, since it is larger than the sum of its proper divisors (804040937).

4970439991 is a wasteful number, since it uses less digits than its factorization.

4970439991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153842.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 4970439991 is about 70501.3474410241. The cubic root of 4970439991 is about 1706.5994904123.

The spelling of 4970439991 in words is "four billion, nine hundred seventy million, four hundred thirty-nine thousand, nine hundred ninety-one".

Divisors: 1 11 17 173 187 1903 2941 32351 153641 1690051 2611897 26579893 28730867 292378823 451858181 4970439991