Search a number
-
+
20774316012 = 2238327297643
BaseRepresentation
bin10011010110001111…
…101110011111101100
31222121210112121010120
4103112033232133230
5320021211103022
613313225404540
71333543525662
oct232617563754
958553477116
1020774316012
1188a061810a
124039339750
131c60c371a8
141011086c32
15818c1cd5c
hex4d63ee7ec

20774316012 has 48 divisors (see below), whose sum is σ = 49081818240. Its totient is φ = 6837939328.

The previous prime is 20774316011. The next prime is 20774316019. The reversal of 20774316012 is 21061347702.

It is not an unprimeable number, because it can be changed into a prime (20774316011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2714263 + ... + 2721905.

It is an arithmetic number, because the mean of its divisors is an integer number (1022537880).

Almost surely, 220774316012 is an apocalyptic number.

It is an amenable number.

20774316012 is an abundant number, since it is smaller than the sum of its proper divisors (28307502228).

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

20774316012 is a wasteful number, since it uses less digits than its factorization.

20774316012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10462 (or 10460 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 20774316012 in words is "twenty billion, seven hundred seventy-four million, three hundred sixteen thousand, twelve".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 2729 5458 7643 8187 10916 15286 16374 22929 30572 32748 45858 91716 226507 453014 634369 679521 906028 1268738 1359042 1903107 2537476 2718084 3806214 7612428 20857747 41715494 62573241 83430988 125146482 250292964 1731193001 3462386002 5193579003 6924772004 10387158006 20774316012