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1054155139 = 52312831571
BaseRepresentation
bin111110110101010…
…010000110000011
32201110120121222221
4332311102012003
54124330431024
6252334111511
735060112412
oct7665220603
92643517887
101054155139
114a10523a4
1225504b597
1313a51b94b
14a0007479
156282c3e4
hex3ed52183

1054155139 has 8 divisors (see below), whose sum is σ = 1057666752. Its totient is φ = 1050650280.

The previous prime is 1054155101. The next prime is 1054155161. The reversal of 1054155139 is 9315514501.

1054155139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1054155139 - 217 = 1054024067 is a prime.

It is a super-2 number, since 2×10541551392 = 2222486114160218642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054155199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670224 + ... + 671794.

It is an arithmetic number, because the mean of its divisors is an integer number (132208344).

Almost surely, 21054155139 is an apocalyptic number.

1054155139 is a deficient number, since it is larger than the sum of its proper divisors (3511613).

1054155139 is a wasteful number, since it uses less digits than its factorization.

1054155139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377.

The product of its (nonzero) digits is 13500, while the sum is 34.

The square root of 1054155139 is about 32467.7553736011. The cubic root of 1054155139 is about 1017.7353122049.

The spelling of 1054155139 in words is "one billion, fifty-four million, one hundred fifty-five thousand, one hundred thirty-nine".

Divisors: 1 523 1283 1571 671009 821633 2015593 1054155139