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1010021027 = 1168186467
BaseRepresentation
bin111100001100111…
…011001010100011
32121101112101101012
4330030323022203
54032031133102
6244120131135
734013015501
oct7414731243
92541471335
101010021027
11479148824
12242306aab
131313384a2
14981d9671
155da10752
hex3c33b2a3

1010021027 has 4 divisors (see below), whose sum is σ = 1010119176. Its totient is φ = 1009922880.

The previous prime is 1010021021. The next prime is 1010021041. The reversal of 1010021027 is 7201200101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1010021027 - 28 = 1010020771 is a prime.

It is a super-3 number, since 3×10100210273 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010021021) 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, 31553 + ... + 54914.

It is an arithmetic number, because the mean of its divisors is an integer number (252529794).

Almost surely, 21010021027 is an apocalyptic number.

1010021027 is a deficient number, since it is larger than the sum of its proper divisors (98149).

1010021027 is an equidigital number, since it uses as much as digits as its factorization.

1010021027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98148.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 1010021027 is about 31780.8279785156. The cubic root of 1010021027 is about 1003.3292461531.

Adding to 1010021027 its reverse (7201200101), we get a palindrome (8211221128).

The spelling of 1010021027 in words is "one billion, ten million, twenty-one thousand, twenty-seven".

Divisors: 1 11681 86467 1010021027