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19442392202 = 231313586971
BaseRepresentation
bin10010000110110110…
…110101110010001010
31212011222021212011002
4102012312311302022
5304304223022302
612533125535002
71255541415122
oct220666656212
955158255132
1019442392202
1182777a6032
123927274462
131aab0026ac
14d26215c82
1578bd23c02
hex486db5c8a

19442392202 has 8 divisors (see below), whose sum is σ = 30104349312. Its totient is φ = 9407609100.

The previous prime is 19442392157. The next prime is 19442392213. The reversal of 19442392202 is 20229324491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×194423922022 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156793424 + ... + 156793547.

It is an arithmetic number, because the mean of its divisors is an integer number (3763043664).

Almost surely, 219442392202 is an apocalyptic number.

19442392202 is a deficient number, since it is larger than the sum of its proper divisors (10661957110).

19442392202 is a wasteful number, since it uses less digits than its factorization.

19442392202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313587004.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 19442392202 in words is "nineteen billion, four hundred forty-two million, three hundred ninety-two thousand, two hundred two".

Divisors: 1 2 31 62 313586971 627173942 9721196101 19442392202