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1012051051 = 1192004641
BaseRepresentation
bin111100010100101…
…010110001101011
32121112100112001021
4330110222301223
54033041113201
6244231433311
734036202104
oct7424526153
92545315037
101012051051
1147a304a30
12242b25837
1313189949b
14985a73ab
155dcb1ea1
hex3c52ac6b

1012051051 has 4 divisors (see below), whose sum is σ = 1104055704. Its totient is φ = 920046400.

The previous prime is 1012051039. The next prime is 1012051057. The reversal of 1012051051 is 1501502101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012051051 - 29 = 1012050539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012051057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46002310 + ... + 46002331.

It is an arithmetic number, because the mean of its divisors is an integer number (276013926).

Almost surely, 21012051051 is an apocalyptic number.

1012051051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012051051 is a deficient number, since it is larger than the sum of its proper divisors (92004653).

1012051051 is an equidigital number, since it uses as much as digits as its factorization.

1012051051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92004652.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 1012051051 is about 31812.7498182725. The cubic root of 1012051051 is about 1004.0009877479. Note that the first 3 decimals are identical.

Adding to 1012051051 its reverse (1501502101), we get a palindrome (2513553152).

The spelling of 1012051051 in words is "one billion, twelve million, fifty-one thousand, fifty-one".

Divisors: 1 11 92004641 1012051051