Search a number
-
+
20798073012 = 2232323276319
BaseRepresentation
bin10011010111101010…
…010110100010110100
31222200110020120121110
4103113222112202310
5320043301314022
613315434515020
71334252463243
oct232752264264
958613216543
1020798073012
118902a740a2
124045295a70
131c65b346a2
1410142ac95a
1581ad6200c
hex4d7a968b4

20798073012 has 36 divisors (see below), whose sum is σ = 50730538880. Its totient is φ = 6631267632.

The previous prime is 20798073007. The next prime is 20798073029. The reversal of 20798073012 is 21037089702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1631812 + ... + 1644507.

Almost surely, 220798073012 is an apocalyptic number.

It is an amenable number.

20798073012 is an abundant number, since it is smaller than the sum of its proper divisors (29932465868).

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

20798073012 is a wasteful number, since it uses less digits than its factorization.

20798073012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276372 (or 3276347 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 20798073012 in words is "twenty billion, seven hundred ninety-eight million, seventy-three thousand, twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 529 1058 1587 2116 3174 6348 3276319 6552638 9828957 13105276 19657914 39315828 75355337 150710674 226066011 301421348 452132022 904264044 1733172751 3466345502 5199518253 6932691004 10399036506 20798073012