Search a number
-
+
12577706000 = 245329375861
BaseRepresentation
bin10111011011011000…
…01001000000010000
31012110120011122222222
423231230021000100
5201224343043000
65440023520212
7623454510536
oct135554110020
935416148888
1012577706000
115374872752
1225302b9068
131255a55ab2
14874640156
154d9337a85
hex2edb09010

12577706000 has 160 divisors (see below), whose sum is σ = 32317440480. Its totient is φ = 4725504000.

The previous prime is 12577705999. The next prime is 12577706017. The reversal of 12577706000 is 60777521.

It can be written as a sum of positive squares in 16 ways, for example, as 6254911744 + 6322794256 = 79088^2 + 79516^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2143070 + ... + 2148930.

It is an arithmetic number, because the mean of its divisors is an integer number (201984003).

Almost surely, 212577706000 is an apocalyptic number.

12577706000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12577706000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16158720240).

12577706000 is an abundant number, since it is smaller than the sum of its proper divisors (19739734480).

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

12577706000 is a wasteful number, since it uses less digits than its factorization.

12577706000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950 (or 5934 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The spelling of 12577706000 in words is "twelve billion, five hundred seventy-seven million, seven hundred six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 29 37 40 50 58 74 80 100 116 125 145 148 185 200 232 250 290 296 370 400 464 500 580 592 725 740 925 1000 1073 1160 1450 1480 1850 2000 2146 2320 2900 2960 3625 3700 4292 4625 5365 5800 5861 7250 7400 8584 9250 10730 11600 11722 14500 14800 17168 18500 21460 23444 26825 29000 29305 37000 42920 46888 53650 58000 58610 74000 85840 93776 107300 117220 134125 146525 169969 214600 216857 234440 268250 293050 339938 429200 433714 468880 536500 586100 679876 732625 849845 867428 1073000 1084285 1172200 1359752 1465250 1699690 1734856 2146000 2168570 2344400 2719504 2930500 3399380 3469712 4249225 4337140 5421425 5861000 6288853 6798760 8498450 8674280 10842850 11722000 12577706 13597520 16996900 17348560 21246125 21685700 25155412 27107125 31444265 33993800 42492250 43371400 50310824 54214250 62888530 67987600 84984500 86742800 100621648 108428500 125777060 157221325 169969000 216857000 251554120 314442650 339938000 433714000 503108240 628885300 786106625 1257770600 1572213250 2515541200 3144426500 6288853000 12577706000