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1010322021 = 3336774007
BaseRepresentation
bin111100001110000…
…100101001100101
32121102002200021010
4330032010221211
54032120301041
6244130412433
734015411152
oct7416045145
92542080233
101010322021
11479333985
12242431119
131314124a7
1498277229
155da6ea16
hex3c384a65

1010322021 has 4 divisors (see below), whose sum is σ = 1347096032. Its totient is φ = 673548012.

The previous prime is 1010321999. The next prime is 1010322031. The reversal of 1010322021 is 1202230101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1010322021 - 226 = 943213157 is a prime.

It is a super-2 number, since 2×10103220212 = 2041501172235048882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010321988 and 1010322006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010322031) 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, 168387001 + ... + 168387006.

It is an arithmetic number, because the mean of its divisors is an integer number (336774008).

Almost surely, 21010322021 is an apocalyptic number.

It is an amenable number.

1010322021 is a deficient number, since it is larger than the sum of its proper divisors (336774011).

1010322021 is an equidigital number, since it uses as much as digits as its factorization.

1010322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336774010.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1010322021 is about 31785.5630908122. The cubic root of 1010322021 is about 1003.4289028536.

Adding to 1010322021 its reverse (1202230101), we get a palindrome (2212552122).

The spelling of 1010322021 in words is "one billion, ten million, three hundred twenty-two thousand, twenty-one".

Divisors: 1 3 336774007 1010322021