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19475372629 = 166711682887
BaseRepresentation
bin10010001000110100…
…101001101001010101
31212021021100102210101
4102020310221221111
5304341143411004
612540304454101
71256421636016
oct221064515125
955237312711
1019475372629
118294381789
12393631a331
131ab4aac13b
14d2a75d00d
1578eb8aba4
hex488d29a55

19475372629 has 4 divisors (see below), whose sum is σ = 19487057184. Its totient is φ = 19463688076.

The previous prime is 19475372627. The next prime is 19475372641. The reversal of 19475372629 is 92627357491.

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 a cyclic number.

It is not a de Polignac number, because 19475372629 - 21 = 19475372627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19475372629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19475372627) 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, 5839777 + ... + 5843110.

It is an arithmetic number, because the mean of its divisors is an integer number (4871764296).

Almost surely, 219475372629 is an apocalyptic number.

It is an amenable number.

19475372629 is a deficient number, since it is larger than the sum of its proper divisors (11684555).

19475372629 is a wasteful number, since it uses less digits than its factorization.

19475372629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11684554.

The product of its digits is 5715360, while the sum is 55.

The spelling of 19475372629 in words is "nineteen billion, four hundred seventy-five million, three hundred seventy-two thousand, six hundred twenty-nine".

Divisors: 1 1667 11682887 19475372629