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11422930978 = 25711465489
BaseRepresentation
bin10101010001101110…
…00001100000100010
31002111002021000110201
422220313001200202
5141343232242403
65125253015414
7553033211524
oct125067014042
932432230421
1011422930978
114931a46128
12226962456a
131100737474
147a5123a14
1546cc8221d
hex2a8dc1822

11422930978 has 4 divisors (see below), whose sum is σ = 17134396470. Its totient is φ = 5711465488.

The previous prime is 11422930957. The next prime is 11422931033. The reversal of 11422930978 is 87903922411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87903922411 = 621714139283.

It can be written as a sum of positive squares in only one way, i.e., 10113721489 + 1309209489 = 100567^2 + 36183^2 .

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, 2855732743 + ... + 2855732746.

Almost surely, 211422930978 is an apocalyptic number.

11422930978 is a deficient number, since it is larger than the sum of its proper divisors (5711465492).

11422930978 is an equidigital number, since it uses as much as digits as its factorization.

11422930978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711465491.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 11422930978 in words is "eleven billion, four hundred twenty-two million, nine hundred thirty thousand, nine hundred seventy-eight".

Divisors: 1 2 5711465489 11422930978