Search a number
-
+
2189880725536 = 25779123750041
BaseRepresentation
bin11111110111011111000…
…100000001000000100000
321202100110112221010112101
4133313133010001000200
5241334333431204121
64354003423540144
7314133200020120
oct37673704010040
97670415833471
102189880725536
117747a5641339
122b44b675a654
1312b67426447a
1477dc2a40c80
153be6cd83491
hex1fddf101020

2189880725536 has 48 divisors (see below), whose sum is σ = 4989601693440. Its totient is φ = 926640299520.

The previous prime is 2189880725507. The next prime is 2189880725611. The reversal of 2189880725536 is 6355270889812.

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, 61857325 + ... + 61892716.

It is an arithmetic number, because the mean of its divisors is an integer number (103950035280).

Almost surely, 22189880725536 is an apocalyptic number.

It is an amenable number.

2189880725536 is an abundant number, since it is smaller than the sum of its proper divisors (2799720967904).

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

2189880725536 is a wasteful number, since it uses less digits than its factorization.

2189880725536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123750137 (or 123750129 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 64.

The spelling of 2189880725536 in words is "two trillion, one hundred eighty-nine billion, eight hundred eighty million, seven hundred twenty-five thousand, five hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 79 112 158 224 316 553 632 1106 1264 2212 2528 4424 8848 17696 123750041 247500082 495000164 866250287 990000328 1732500574 1980000656 3465001148 3960001312 6930002296 9776253239 13860004592 19552506478 27720009184 39105012956 68433772673 78210025912 136867545346 156420051824 273735090692 312840103648 547470181384 1094940362768 2189880725536