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4002471517 = 112171945781
BaseRepresentation
bin1110111010010000…
…1101111001011101
3101022221100121201211
43232210031321131
531144113042032
61501054504421
7201120306112
oct35644157135
911287317654
104002471517
111774322100
12938505111
134ba2a8655
1429d7d8909
151865b2747
hexee90de5d

4002471517 has 12 divisors (see below), whose sum is σ = 4658202108. Its totient is φ = 3424572800.

The previous prime is 4002471509. The next prime is 4002471533. The reversal of 4002471517 is 7151742004.

It can be written as a sum of positive squares in 2 ways, for example, as 3494464996 + 508006521 = 59114^2 + 22539^2 .

It is not a de Polignac number, because 4002471517 - 23 = 4002471509 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 (4002471617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 970834 + ... + 974947.

It is an arithmetic number, because the mean of its divisors is an integer number (388183509).

Almost surely, 24002471517 is an apocalyptic number.

It is an amenable number.

4002471517 is a deficient number, since it is larger than the sum of its proper divisors (655730591).

4002471517 is a wasteful number, since it uses less digits than its factorization.

4002471517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945820 (or 1945809 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 4002471517 is about 63265.0892435947. The cubic root of 4002471517 is about 1587.7279253785.

The spelling of 4002471517 in words is "four billion, two million, four hundred seventy-one thousand, five hundred seventeen".

Divisors: 1 11 17 121 187 2057 1945781 21403591 33078277 235439501 363861047 4002471517