Search a number
-
+
19427100429 = 31123110117093
BaseRepresentation
bin10010000101111100…
…100000011100001101
31212010220111221210010
4102011330200130031
5304241314203204
612531422103433
71255264425522
oct220574403415
955126457703
1019427100429
11826a101100
12392211ab79
131aa7aaa2c9
14d24195149
1578a802d89
hex485f2070d

19427100429 has 48 divisors (see below), whose sum is σ = 29682842112. Its totient is φ = 11280720000.

The previous prime is 19427100409. The next prime is 19427100559. The reversal of 19427100429 is 92400172491.

It is not a de Polignac number, because 19427100429 - 212 = 19427096333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19427100409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1128007 + ... + 1145099.

It is an arithmetic number, because the mean of its divisors is an integer number (618392544).

Almost surely, 219427100429 is an apocalyptic number.

It is an amenable number.

19427100429 is a deficient number, since it is larger than the sum of its proper divisors (10255741683).

19427100429 is a wasteful number, since it uses less digits than its factorization.

19427100429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17250 (or 17239 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 19427100429 in words is "nineteen billion, four hundred twenty-seven million, one hundred thousand, four hundred twenty-nine".

Divisors: 1 3 11 31 33 93 101 121 303 341 363 1023 1111 3131 3333 3751 9393 11253 12221 17093 34441 36663 51279 103323 188023 378851 529883 564069 1136553 1589649 1726393 2068253 5179179 5828713 6204759 17486139 18990323 53518183 56970969 64115843 160554549 192347529 208893553 588700013 626680659 1766100039 6475700143 19427100429