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4002919085 = 511317229591
BaseRepresentation
bin1110111010010111…
…1011001010101101
3101022222012100200102
43232211323022231
531144221402320
61501112240445
7201124152014
oct35645731255
911288170612
104002919085
1117745a83a0
129386a0125
134ba404299
1429d8b3a7b
15186650175
hexee97b2ad

4002919085 has 16 divisors (see below), whose sum is σ = 5256738432. Its totient is φ = 2902017600.

The previous prime is 4002919073. The next prime is 4002919099. The reversal of 4002919085 is 5809192004.

It is not a de Polignac number, because 4002919085 - 224 = 3986141869 is a prime.

It is a super-2 number, since 2×40029190852 = 32046722402114474450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97361 + ... + 132230.

It is an arithmetic number, because the mean of its divisors is an integer number (328546152).

Almost surely, 24002919085 is an apocalyptic number.

It is an amenable number.

4002919085 is a deficient number, since it is larger than the sum of its proper divisors (1253819347).

4002919085 is a wasteful number, since it uses less digits than its factorization.

4002919085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229924.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 4002919085 is about 63268.6263878077. The cubic root of 4002919085 is about 1587.7871046234.

The spelling of 4002919085 in words is "four billion, two million, nine hundred nineteen thousand, eighty-five".

Divisors: 1 5 11 55 317 1585 3487 17435 229591 1147955 2525501 12627505 72780347 363901735 800583817 4002919085