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2684938995 = 3456629479
BaseRepresentation
bin1010000000001000…
…1110101011110011
320221010012000220000
42200002032223303
520444321021440
61122231321043
7123351414324
oct24002165363
96833160800
102684938995
11115863a452
1262b220183
1333a3423cb
141b683244b
1510aaac730
hexa008eaf3

2684938995 has 20 divisors (see below), whose sum is σ = 4813002480. Its totient is φ = 1431967248.

The previous prime is 2684938981. The next prime is 2684939009. The reversal of 2684938995 is 5998394862.

2684938995 is a `hidden beast` number, since 2 + 68 + 493 + 89 + 9 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2684938981) and next prime (2684939009).

It is not a de Polignac number, because 2684938995 - 215 = 2684906227 is a prime.

It is a super-2 number, since 2×26849389952 = 14417794813743220050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3314335 + ... + 3315144.

It is an arithmetic number, because the mean of its divisors is an integer number (240650124).

Almost surely, 22684938995 is an apocalyptic number.

2684938995 is a deficient number, since it is larger than the sum of its proper divisors (2128063485).

2684938995 is an equidigital number, since it uses as much as digits as its factorization.

2684938995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629496 (or 6629487 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 63.

The square root of 2684938995 is about 51816.3969704571. The cubic root of 2684938995 is about 1389.8826730154.

The spelling of 2684938995 in words is "two billion, six hundred eighty-four million, nine hundred thirty-eight thousand, nine hundred ninety-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 6629479 19888437 33147395 59665311 99442185 178995933 298326555 536987799 894979665 2684938995