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16950090451 = 72421441493
BaseRepresentation
bin11111100100100110…
…11101101011010011
31121202021120210212211
433302103131223103
5234203210343301
611441535132551
71140016251220
oct176223355323
947667523784
1016950090451
11720897a918
123350674157
1317a186a228
14b6b20a947
15693119051
hex3f24ddad3

16950090451 has 4 divisors (see below), whose sum is σ = 19371531952. Its totient is φ = 14528648952.

The previous prime is 16950090449. The next prime is 16950090457. The reversal of 16950090451 is 15409005961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16950090451 - 21 = 16950090449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16950090457) 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, 1210720740 + ... + 1210720753.

It is an arithmetic number, because the mean of its divisors is an integer number (4842882988).

Almost surely, 216950090451 is an apocalyptic number.

16950090451 is a deficient number, since it is larger than the sum of its proper divisors (2421441501).

16950090451 is an equidigital number, since it uses as much as digits as its factorization.

16950090451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421441500.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 16950090451 in words is "sixteen billion, nine hundred fifty million, ninety thousand, four hundred fifty-one".

Divisors: 1 7 2421441493 16950090451