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1051103161 = 19193128649
BaseRepresentation
bin111110101001101…
…000111110111001
32201020211120110201
4332221220332321
54123040300121
6252144442201
735022141463
oct7651507671
92636746421
101051103161
1149a3583a9
12254019361
131399c0744
149d851133
1562427e91
hex3ea68fb9

1051103161 has 8 divisors (see below), whose sum is σ = 1107036000. Its totient is φ = 995231520.

The previous prime is 1051103147. The next prime is 1051103171. The reversal of 1051103161 is 1613011501.

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 1051103161 - 29 = 1051102649 is a prime.

It is a super-2 number, since 2×10511031612 = 2209635710128383842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051103111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22365 + ... + 51013.

It is an arithmetic number, because the mean of its divisors is an integer number (138379500).

Almost surely, 21051103161 is an apocalyptic number.

It is an amenable number.

1051103161 is a deficient number, since it is larger than the sum of its proper divisors (55932839).

1051103161 is a wasteful number, since it uses less digits than its factorization.

1051103161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30599.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 1051103161 is about 32420.7211671795. The cubic root of 1051103161 is about 1016.7521842365.

Adding to 1051103161 its reverse (1613011501), we get a palindrome (2664114662).

The spelling of 1051103161 in words is "one billion, fifty-one million, one hundred three thousand, one hundred sixty-one".

Divisors: 1 19 1931 28649 36689 544331 55321219 1051103161