Search a number
-
+
378650674067770 = 2513171491149900313
BaseRepresentation
bin101011000011000010111101…
…0111010111111100100111010
31211122200122120112000011210001
41112012011322322333210322
5344112303040030132040
63421153415051143214
7142520415455460316
oct12606057272774472
91748618515004701
10378650674067770
11aa716938121525
1236575054744b0a
13133387b3c5c950
146970b0cc58b46
152db988dc7b59a
hex158617aebf93a

378650674067770 has 64 divisors (see below), whose sum is σ = 782392173645600. Its totient is φ = 130702269063168.

The previous prime is 378650674067723. The next prime is 378650674067779. The reversal of 378650674067770 is 77760476056873.

It can be written as a sum of positive squares in 16 ways, for example, as 23546008970929 + 355104665096841 = 4852423^2 + 18844221^2 .

It is a junction number, because it is equal to n+sod(n) for n = 378650674067693 and 378650674067702.

It is not an unprimeable number, because it can be changed into a prime (378650674067779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 574620867 + ... + 575279446.

Almost surely, 2378650674067770 is an apocalyptic number.

378650674067770 is an abundant number, since it is smaller than the sum of its proper divisors (403741499577830).

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

378650674067770 is a wasteful number, since it uses less digits than its factorization.

378650674067770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149900499.

The product of its (nonzero) digits is 1742549760, while the sum is 73.

The spelling of 378650674067770 in words is "three hundred seventy-eight trillion, six hundred fifty billion, six hundred seventy-four million, sixty-seven thousand, seven hundred seventy".

Divisors: 1 2 5 10 13 17 26 34 65 85 130 149 170 221 298 442 745 1105 1490 1937 2210 2533 3874 5066 9685 12665 19370 25330 32929 65858 164645 329290 1149900313 2299800626 5749501565 11499003130 14948704069 19548305321 29897408138 39096610642 74743520345 97741526605 149487040690 171335146637 195483053210 254127969173 342670293274 508255938346 856675733185 1270639845865 1713351466370 2227356906281 2541279691730 2912697492829 4454713812562 5825394985658 11136784531405 14563487464145 22273569062810 29126974928290 37865067406777 75730134813554 189325337033885 378650674067770