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1420995106 = 2710497553
BaseRepresentation
bin101010010110010…
…1010101000100010
310200000212000211101
41110230222220202
510402233320411
6353000505014
750133154606
oct12454525042
93600760741
101420995106
1166a129723
12337a7b16a
1319851cb0b
14d6a19506
1584b408c1
hex54b2aa22

1420995106 has 4 divisors (see below), whose sum is σ = 2131492662. Its totient is φ = 710497552.

The previous prime is 1420995083. The next prime is 1420995113. The reversal of 1420995106 is 6015990241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6015990241 = 58967102023.

It can be written as a sum of positive squares in only one way, i.e., 1411129225 + 9865881 = 37565^2 + 3141^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355248775 + ... + 355248778.

Almost surely, 21420995106 is an apocalyptic number.

1420995106 is a deficient number, since it is larger than the sum of its proper divisors (710497556).

1420995106 is an equidigital number, since it uses as much as digits as its factorization.

1420995106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710497555.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1420995106 is about 37696.0887361010. The cubic root of 1420995106 is about 1124.2533596573.

The spelling of 1420995106 in words is "one billion, four hundred twenty million, nine hundred ninety-five thousand, one hundred six".

Divisors: 1 2 710497553 1420995106