Search a number
-
+
15419871712 = 257411678993
BaseRepresentation
bin11100101110001100…
…01001000111100000
31110210122012122101201
432113012021013200
5223034441343322
611030033210544
71054055514130
oct162706110740
943718178351
1015419871712
1165a312a933
122ba4100a54
1315b982755b
14a63cbcac0
15603b00d27
hex3971891e0

15419871712 has 48 divisors (see below), whose sum is σ = 35540944992. Its totient is φ = 6447329280.

The previous prime is 15419871707. The next prime is 15419871773. The reversal of 15419871712 is 21717891451.

It is a super-2 number, since 2×154198717122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830313 + ... + 848680.

It is an arithmetic number, because the mean of its divisors is an integer number (740436354).

Almost surely, 215419871712 is an apocalyptic number.

It is an amenable number.

15419871712 is an abundant number, since it is smaller than the sum of its proper divisors (20121073280).

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

15419871712 is a wasteful number, since it uses less digits than its factorization.

15419871712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679051 (or 1679043 counting only the distinct ones).

The product of its digits is 141120, while the sum is 46.

The spelling of 15419871712 in words is "fifteen billion, four hundred nineteen million, eight hundred seventy-one thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 41 56 82 112 164 224 287 328 574 656 1148 1312 2296 4592 9184 1678993 3357986 6715972 11752951 13431944 23505902 26863888 47011804 53727776 68838713 94023608 137677426 188047216 275354852 376094432 481870991 550709704 963741982 1101419408 1927483964 2202838816 3854967928 7709935856 15419871712