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2689013408 = 25312710699
BaseRepresentation
bin1010000001000111…
…0001011010100000
320221101212000221012
42200101301122200
521001341412113
61122454520052
7123431144144
oct24021613240
96841760835
102689013408
11115a972634
12630666028
1333b13aac3
141b71b3224
1510b114aa8
hexa04716a0

2689013408 has 24 divisors (see below), whose sum is σ = 5464771200. Its totient is φ = 1301135040.

The previous prime is 2689013401. The next prime is 2689013419. The reversal of 2689013408 is 8043109862.

It is not an unprimeable number, because it can be changed into a prime (2689013401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354358 + ... + 1356341.

It is an arithmetic number, because the mean of its divisors is an integer number (227698800).

Almost surely, 22689013408 is an apocalyptic number.

It is an amenable number.

2689013408 is an abundant number, since it is smaller than the sum of its proper divisors (2775757792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2689013408 is a wasteful number, since it uses less digits than its factorization.

2689013408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710740 (or 2710732 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 2689013408 is about 51855.6979318570. The cubic root of 2689013408 is about 1390.5853697905.

The spelling of 2689013408 in words is "two billion, six hundred eighty-nine million, thirteen thousand, four hundred eight".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 2710699 5421398 10842796 21685592 43371184 84031669 86742368 168063338 336126676 672253352 1344506704 2689013408