Search a number
-
+
20836626077670 = 2351324109788181
BaseRepresentation
bin1001011110011011001111…
…01100100001011111100110
32201202221222022000202210120
410233031213230201133212
510212341402233441140
6112152114110302410
74250253006241314
oct457154754413746
981687868022716
1020836626077670
116703844236007
12240633bab7a06
13b81b6831a700
145206d8a510b4
1526201d8591d0
hex12f367b217e6

20836626077670 has 48 divisors (see below), whose sum is σ = 54150569086032. Its totient is φ = 5129015648640.

The previous prime is 20836626077669. The next prime is 20836626077723. The reversal of 20836626077670 is 7677062663802.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2054889021 + ... + 2054899160.

It is an arithmetic number, because the mean of its divisors is an integer number (1128136855959).

Almost surely, 220836626077670 is an apocalyptic number.

20836626077670 is an abundant number, since it is smaller than the sum of its proper divisors (33313943008362).

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

20836626077670 is a wasteful number, since it uses less digits than its factorization.

20836626077670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109788217 (or 4109788204 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 60.

The spelling of 20836626077670 in words is "twenty trillion, eight hundred thirty-six billion, six hundred twenty-six million, seventy-seven thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 169 195 338 390 507 845 1014 1690 2535 5070 4109788181 8219576362 12329364543 20548940905 24658729086 41097881810 53427246353 61646822715 106854492706 123293645430 160281739059 267136231765 320563478118 534272463530 694554202589 801408695295 1389108405178 1602817390590 2083662607767 3472771012945 4167325215534 6945542025890 10418313038835 20836626077670