Search a number
-
+
26625640000 = 26543312011
BaseRepresentation
bin11000110011000000…
…110000011001000000
32112201120211122122211
4120303000300121000
5414012130440000
620122011511504
71631544130411
oct306300603100
975646748584
1026625640000
1110323530463
1251b0a58594
13268427888b
141408233808
15a5c7887ba
hex633030640

26625640000 has 140 divisors (see below), whose sum is σ = 66255329008. Its totient is φ = 10612800000.

The previous prime is 26625639959. The next prime is 26625640021. The reversal of 26625640000 is 4652662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13238995 + ... + 13241005.

Almost surely, 226625640000 is an apocalyptic number.

26625640000 is a gapful number since it is divisible by the number (20) 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 26625640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33127664504).

26625640000 is an abundant number, since it is smaller than the sum of its proper divisors (39629689008).

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

26625640000 is an equidigital number, since it uses as much as digits as its factorization.

26625640000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

It can be divided in two parts, 266256 and 40000, that multiplied together give a square (10650240000 = 1032002).

The spelling of 26625640000 in words is "twenty-six billion, six hundred twenty-five million, six hundred forty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 331 400 500 625 662 800 1000 1250 1324 1600 1655 2000 2011 2500 2648 3310 4000 4022 5000 5296 6620 8000 8044 8275 10000 10055 10592 13240 16088 16550 20000 20110 21184 26480 32176 33100 40000 40220 41375 50275 52960 64352 66200 80440 82750 100550 105920 128704 132400 160880 165500 201100 206875 251375 264800 321760 331000 402200 413750 502750 529600 643520 662000 665641 804400 827500 1005500 1256875 1324000 1331282 1608800 1655000 2011000 2513750 2648000 2662564 3217600 3310000 3328205 4022000 5027500 5325128 6620000 6656410 8044000 10055000 10650256 13240000 13312820 16088000 16641025 20110000 21300512 26625640 33282050 40220000 42601024 53251280 66564100 80440000 83205125 106502560 133128200 166410250 213005120 266256400 332820500 416025625 532512800 665641000 832051250 1065025600 1331282000 1664102500 2662564000 3328205000 5325128000 6656410000 13312820000 26625640000