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42500211212000 = 255350920874367
BaseRepresentation
bin10011010100111010110011…
…11111011111111011100000
312120110222110210102020220202
421222131121333133323200
521032310413032241000
6230220154423324332
711644352565513533
oct1152353177377340
9176428423366822
1042500211212000
11125a6269284023
1249249aa8b06a8
131a939a295b2c9
14a6d04224ca1a
154da7dc14ddd5
hex26a759fdfee0

42500211212000 has 96 divisors (see below), whose sum is σ = 104628177239040. Its totient is φ = 16966684684800.

The previous prime is 42500211211967. The next prime is 42500211212051. The reversal of 42500211212000 is 21211200524.

It is a super-2 number, since 2×425002112120002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8401184 + ... + 12473183.

It is an arithmetic number, because the mean of its divisors is an integer number (1089876846240).

Almost surely, 242500211212000 is an apocalyptic number.

42500211212000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42500211212000 is an abundant number, since it is smaller than the sum of its proper divisors (62127966027040).

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

42500211212000 is a wasteful number, since it uses less digits than its factorization.

42500211212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20874901 (or 20874883 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 42500211212000 its reverse (21211200524), we get a palindrome (42521422412524).

The spelling of 42500211212000 in words is "forty-two trillion, five hundred billion, two hundred eleven million, two hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 509 800 1000 1018 2000 2036 2545 4000 4072 5090 8144 10180 12725 16288 20360 25450 40720 50900 63625 81440 101800 127250 203600 254500 407200 509000 1018000 2036000 20874367 41748734 83497468 104371835 166994936 208743670 333989872 417487340 521859175 667979744 834974680 1043718350 1669949360 2087436700 2609295875 3339898720 4174873400 5218591750 8349746800 10437183500 10625052803 16699493600 20874367000 21250105606 41748734000 42500211212 53125264015 83497468000 85000422424 106250528030 170000844848 212501056060 265626320075 340001689696 425002112120 531252640150 850004224240 1062505280300 1328131600375 1700008448480 2125010560600 2656263200750 4250021121200 5312526401500 8500042242400 10625052803000 21250105606000 42500211212000