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1042657811 = 13616172131
BaseRepresentation
bin111110001001011…
…011001000010011
32200122221111121222
4332021123020103
54113410022221
6251243435255
734560305456
oct7611331023
92618844558
101042657811
1149560a278
12251225b2b
131380246b0
149c69349d
156180a9ab
hex3e25b213

1042657811 has 16 divisors (see below), whose sum is σ = 1143655968. Its totient is φ = 944697600.

The previous prime is 1042657801. The next prime is 1042657829. The reversal of 1042657811 is 1187562401.

1042657811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1042657811 - 214 = 1042641427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042657801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488216 + ... + 490346.

It is an arithmetic number, because the mean of its divisors is an integer number (71478498).

Almost surely, 21042657811 is an apocalyptic number.

1042657811 is a deficient number, since it is larger than the sum of its proper divisors (100998157).

1042657811 is a wasteful number, since it uses less digits than its factorization.

1042657811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 1042657811 is about 32290.2123096148. The cubic root of 1042657811 is about 1014.0217421458.

The spelling of 1042657811 in words is "one billion, forty-two million, six hundred fifty-seven thousand, eight hundred eleven".

Divisors: 1 13 61 617 793 2131 8021 27703 37637 129991 489281 1314827 1689883 17092751 80204447 1042657811