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19234473100 = 2252192344731
BaseRepresentation
bin10001111010011101…
…101100010010001100
31211122111001110202121
4101322131230102030
5303343011114400
612500341302324
71250435216023
oct217235542214
954574043677
1019234473100
1181803a4367
1238897049a4
131a76c04a3b
14d067718ba
1577895321a
hex47a76c48c

19234473100 has 18 divisors (see below), whose sum is σ = 41738806844. Its totient is φ = 7693789200.

The previous prime is 19234473077. The next prime is 19234473101. The reversal of 19234473100 is 137443291.

It is a super-2 number, since 2×192344731002 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19234473101) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 96172266 + ... + 96172465.

Almost surely, 219234473100 is an apocalyptic number.

19234473100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19234473100 is an abundant number, since it is smaller than the sum of its proper divisors (22504333744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19234473100 is a wasteful number, since it uses less digits than its factorization.

19234473100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192344745 (or 192344738 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 19234473100 in words is "nineteen billion, two hundred thirty-four million, four hundred seventy-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 192344731 384689462 769378924 961723655 1923447310 3846894620 4808618275 9617236550 19234473100