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5268378951 = 321153215949
BaseRepresentation
bin1001110100000010…
…10001010101000111
3111121011101101021100
410322001101111013
541242201111301
62230435351143
7244361324253
oct47201212507
914534341240
105268378951
1122639540a0
1210304524b3
1365c6378c4
1437d9a3263
1520c7bb286
hex13a051547

5268378951 has 12 divisors (see below), whose sum is σ = 8301688200. Its totient is φ = 3192956880.

The previous prime is 5268378949. The next prime is 5268378961. The reversal of 5268378951 is 1598738625.

5268378951 is a `hidden beast` number, since 5 + 268 + 378 + 9 + 5 + 1 = 666.

It is not a de Polignac number, because 5268378951 - 21 = 5268378949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5268378901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26607876 + ... + 26608073.

It is an arithmetic number, because the mean of its divisors is an integer number (691807350).

Almost surely, 25268378951 is an apocalyptic number.

5268378951 is a deficient number, since it is larger than the sum of its proper divisors (3033309249).

5268378951 is a wasteful number, since it uses less digits than its factorization.

5268378951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53215966 (or 53215963 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 5268378951 is about 72583.5997385084. The cubic root of 5268378951 is about 1740.0390785912.

The spelling of 5268378951 in words is "five billion, two hundred sixty-eight million, three hundred seventy-eight thousand, nine hundred fifty-one".

Divisors: 1 3 9 11 33 99 53215949 159647847 478943541 585375439 1756126317 5268378951