Search a number
-
+
172471879403 = 193119110311487
BaseRepresentation
bin1010000010100000100…
…0000000011011101011
3121111011212021021012022
42200220020000123223
510311210300120103
6211122114535055
715314004533435
oct2405010003353
9544155237168
10172471879403
116716597480a
122951459748b
13133580bbb15
1484c2087655
15474686e138
hex28282006eb

172471879403 has 32 divisors (see below), whose sum is σ = 188696494080. Its totient is φ = 157037508000.

The previous prime is 172471879381. The next prime is 172471879417. The reversal of 172471879403 is 304978174271.

It is not a de Polignac number, because 172471879403 - 226 = 172404770539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172471879453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115985726 + ... + 115987212.

It is an arithmetic number, because the mean of its divisors is an integer number (5896765440).

Almost surely, 2172471879403 is an apocalyptic number.

172471879403 is a deficient number, since it is larger than the sum of its proper divisors (16224614677).

172471879403 is a wasteful number, since it uses less digits than its factorization.

172471879403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 172471879403 in words is "one hundred seventy-two billion, four hundred seventy-one million, eight hundred seventy-nine thousand, four hundred three".

Divisors: 1 19 31 191 589 1031 1487 3629 5921 19589 28253 31961 46097 112499 196921 284017 607259 875843 1533097 3741499 5396323 6104551 8804527 29128843 47526007 115986469 167286013 292821527 902994133 5563609013 9077467337 172471879403