Search a number
-
+
25143311054100 = 22352174930060991
BaseRepresentation
bin1011011011110001000100…
…00111111011010100010100
310022000200021120121111011110
411231320202013323110110
511243422000112212400
6125250402211535020
75203354454445231
oct555704207732424
9108020246544143
1025143311054100
118014244672688
1229a0b37bba470
131105008bbc8a5
1462cd2ac88788
152d907dd11e50
hex16de221fb514

25143311054100 has 72 divisors (see below), whose sum is σ = 77027272939008. Its totient is φ = 6310478067200.

The previous prime is 25143311054009. The next prime is 25143311054111. The reversal of 25143311054100 is 145011334152.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2465025396 + ... + 2465035595.

It is an arithmetic number, because the mean of its divisors is an integer number (1069823235264).

Almost surely, 225143311054100 is an apocalyptic number.

25143311054100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25143311054100 is an abundant number, since it is smaller than the sum of its proper divisors (51883961884908).

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

25143311054100 is a wasteful number, since it uses less digits than its factorization.

25143311054100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930061025 (or 4930061018 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 25143311054100 its reverse (145011334152), we get a palindrome (25288322388252).

The spelling of 25143311054100 in words is "twenty-five trillion, one hundred forty-three billion, three hundred eleven million, fifty-four thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 25 30 34 50 51 60 68 75 85 100 102 150 170 204 255 300 340 425 510 850 1020 1275 1700 2550 5100 4930060991 9860121982 14790182973 19720243964 24650304955 29580365946 49300609910 59160731892 73950914865 83811036847 98601219820 123251524775 147901829730 167622073694 246503049550 251433110541 295803659460 335244147388 369754574325 419055184235 493006099100 502866221082 739509148650 838110368470 1005732442164 1257165552705 1479018297300 1676220736940 2095275921175 2514331105410 4190551842350 5028662210820 6285827763525 8381103684700 12571655527050 25143311054100