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2027678494 = 29759917449
BaseRepresentation
bin111100011011011…
…1110101100011110
312020022102201222111
41320312332230132
513123041202434
6533112104234
7101150661052
oct17066765436
95208381874
102027678494
11950631956
1248709507a
1326411877a
14153421c62
15bd02d964
hex78dbeb1e

2027678494 has 16 divisors (see below), whose sum is σ = 3078180000. Its totient is φ = 1001654784.

The previous prime is 2027678489. The next prime is 2027678507. The reversal of 2027678494 is 4948767202.

It is a happy number.

It is a super-3 number, since 3×20276784943 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107482 + ... + 124930.

It is an arithmetic number, because the mean of its divisors is an integer number (192386250).

Almost surely, 22027678494 is an apocalyptic number.

2027678494 is a deficient number, since it is larger than the sum of its proper divisors (1050501506).

2027678494 is a wasteful number, since it uses less digits than its factorization.

2027678494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18147.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 2027678494 is about 45029.7512096170. The cubic root of 2027678494 is about 1265.7065619044.

The spelling of 2027678494 in words is "two billion, twenty-seven million, six hundred seventy-eight thousand, four hundred ninety-four".

Divisors: 1 2 97 194 599 1198 17449 34898 58103 116206 1692553 3385106 10451951 20903902 1013839247 2027678494