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1051819042 = 21144745943
BaseRepresentation
bin111110101100010…
…111110000100010
32201022011221110211
4332230113300202
54123231202132
6252212044334
735031212551
oct7654276042
92638157424
101051819042
1149a7a723a
122543036aa
13139bb1541
149d999d98
156251a147
hex3eb17c22

1051819042 has 8 divisors (see below), whose sum is σ = 1577900736. Its totient is φ = 525852132.

The previous prime is 1051818991. The next prime is 1051819099. The reversal of 1051819042 is 2409181501.

It is a happy number.

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

It is a super-2 number, since 2×10518190422 = 2212646594227595528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051818995 and 1051819013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78 + ... + 45865.

It is an arithmetic number, because the mean of its divisors is an integer number (197237592).

Almost surely, 21051819042 is an apocalyptic number.

1051819042 is a deficient number, since it is larger than the sum of its proper divisors (526081694).

1051819042 is a wasteful number, since it uses less digits than its factorization.

1051819042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57392.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1051819042 is about 32431.7597734073. The cubic root of 1051819042 is about 1016.9829603119.

The spelling of 1051819042 in words is "one billion, fifty-one million, eight hundred nineteen thousand, forty-two".

Divisors: 1 2 11447 22894 45943 91886 525909521 1051819042