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2688625005 = 3511131173719
BaseRepresentation
bin1010000001000001…
…0010100101101101
320221101010022010220
42200100102211231
521001242000010
61122442321553
7123424635603
oct24020224555
96841108126
102688625005
11115a727840
126304b92b9
1333b033091
141b7111873
1510b089970
hexa041296d

2688625005 has 64 divisors (see below), whose sum is σ = 4762644480. Its totient is φ = 1284358400.

The previous prime is 2688624973. The next prime is 2688625007. The reversal of 2688625005 is 5005268862.

It is not a de Polignac number, because 2688625005 - 25 = 2688624973 is a prime.

It is a super-2 number, since 2×26886250052 = 14457408835022500050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688625007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3739036 + ... + 3739754.

It is an arithmetic number, because the mean of its divisors is an integer number (74416320).

Almost surely, 22688625005 is an apocalyptic number.

It is an amenable number.

2688625005 is a deficient number, since it is larger than the sum of its proper divisors (2074019475).

2688625005 is a wasteful number, since it uses less digits than its factorization.

2688625005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 2688625005 is about 51851.9527597563. The cubic root of 2688625005 is about 1390.5184141883.

The spelling of 2688625005 in words is "two billion, six hundred eighty-eight million, six hundred twenty-five thousand, five".

Divisors: 1 3 5 11 15 33 55 131 165 173 393 519 655 719 865 1441 1903 1965 2157 2595 3595 4323 5709 7205 7909 9515 10785 21615 22663 23727 28545 39545 67989 94189 113315 118635 124387 249293 282567 339945 373161 470945 621935 747879 1036079 1246465 1368257 1412835 1865805 3108237 3739395 4104771 5180395 6841285 15541185 16294697 20523855 48884091 81473485 179241667 244420455 537725001 896208335 2688625005