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1001051057 = 2348139043
BaseRepresentation
bin111011101010101…
…101001110110001
32120202122122220002
4323222231032301
54022232113212
6243155555345
733543536126
oct7352551661
92522578802
101001051057
11474081526
1223b2bbb55
1312c517706
1496d4274d
155cd3cac2
hex3baad3b1

1001051057 has 8 divisors (see below), whose sum is σ = 1044907584. Its totient is φ = 957222288.

The previous prime is 1001051017. The next prime is 1001051063. The reversal of 1001051057 is 7501501001.

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 1001051057 - 210 = 1001050033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001051017) 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, 106178 + ... + 115220.

It is an arithmetic number, because the mean of its divisors is an integer number (130613448).

Almost surely, 21001051057 is an apocalyptic number.

It is an amenable number.

1001051057 is a deficient number, since it is larger than the sum of its proper divisors (43856527).

1001051057 is an equidigital number, since it uses as much as digits as its factorization.

1001051057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13879.

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 1001051057 is about 31639.3909075380. The cubic root of 1001051057 is about 1000.3502296582.

Adding to 1001051057 its reverse (7501501001), we get a palindrome (8502552058).

The spelling of 1001051057 in words is "one billion, one million, fifty-one thousand, fifty-seven".

Divisors: 1 23 4813 9043 110699 207989 43523959 1001051057