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768378051 = 32743283639
BaseRepresentation
bin101101110011001…
…000010011000011
31222112211122112100
4231303020103003
53033201044201
6204125001443
725020051150
oct5563102303
91875748470
10768378051
11364802891
121953b3283
13c326088c
1474097227
15476cc886
hex2dcc84c3

768378051 has 24 divisors (see below), whose sum is σ = 1297936640. Its totient is φ = 428860656.

The previous prime is 768378049. The next prime is 768378073. The reversal of 768378051 is 150873867.

It is not a de Polignac number, because 768378051 - 21 = 768378049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 768377988 and 768378006.

It is not an unprimeable number, because it can be changed into a prime (768378551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139111 + ... + 144528.

Almost surely, 2768378051 is an apocalyptic number.

768378051 is a deficient number, since it is larger than the sum of its proper divisors (529558589).

768378051 is a wasteful number, since it uses less digits than its factorization.

768378051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283695 (or 283692 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 768378051 is about 27719.6329521154. The cubic root of 768378051 is about 915.9216334087.

The spelling of 768378051 in words is "seven hundred sixty-eight million, three hundred seventy-eight thousand, fifty-one".

Divisors: 1 3 7 9 21 43 63 129 301 387 903 2709 283639 850917 1985473 2552751 5956419 12196477 17869257 36589431 85375339 109768293 256126017 768378051