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1055312113 = 3746436143
BaseRepresentation
bin111110111001101…
…100100011110001
32201112202102001211
4332321230203301
54130124441423
6252415000121
735103001462
oct7671544361
92645672054
101055312113
114a1772679
12255509041
1313a83544b
14a0228d69
15629aa10d
hex3ee6c8f1

1055312113 has 8 divisors (see below), whose sum is σ = 1084243968. Its totient is φ = 1026401904.

The previous prime is 1055312087. The next prime is 1055312129. The reversal of 1055312113 is 3112135501.

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

It is a de Polignac number, because none of the positive numbers 2k-1055312113 is a prime.

It is a super-2 number, since 2×10553121132 = 2227367311689049538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055312143) 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, 168720 + ... + 174862.

It is an arithmetic number, because the mean of its divisors is an integer number (135530496).

Almost surely, 21055312113 is an apocalyptic number.

It is an amenable number.

1055312113 is a deficient number, since it is larger than the sum of its proper divisors (28931855).

1055312113 is an equidigital number, since it uses as much as digits as its factorization.

1055312113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10823.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1055312113 is about 32485.5677647783. The cubic root of 1055312113 is about 1018.1075100385.

Adding to 1055312113 its reverse (3112135501), we get a palindrome (4167447614).

The spelling of 1055312113 in words is "one billion, fifty-five million, three hundred twelve thousand, one hundred thirteen".

Divisors: 1 37 4643 6143 171791 227291 28521949 1055312113