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1054255351220 = 225173179781549
BaseRepresentation
bin11110101011101101000…
…01000000010110110100
310201210012212102211120122
433111312201000112310
5114233103332214340
62124152422551112
7136111300425401
oct17256641002664
93653185384518
101054255351220
1137711a730335
121503a3b98498
1378553824266
1439051d9b2a8
151c6549c0db5
hexf5768405b4

1054255351220 has 48 divisors (see below), whose sum is σ = 2351562872400. Its totient is φ = 395644053504.

The previous prime is 1054255351207. The next prime is 1054255351267. The reversal of 1054255351220 is 221535524501.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 322689891364 + 731565459856 = 568058^2 + 855316^2 .

It is a super-2 number, since 2×10542553512202 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4782995 + ... + 4998554.

It is an arithmetic number, because the mean of its divisors is an integer number (48990893175).

Almost surely, 21054255351220 is an apocalyptic number.

1054255351220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1054255351220 is an abundant number, since it is smaller than the sum of its proper divisors (1297307521180).

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

1054255351220 is a wasteful number, since it uses less digits than its factorization.

1054255351220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9781892 (or 9781890 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 1054255351220 in words is "one trillion, fifty-four billion, two hundred fifty-five million, three hundred fifty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 317 340 634 1268 1585 3170 5389 6340 10778 21556 26945 53890 107780 9781549 19563098 39126196 48907745 97815490 166286333 195630980 332572666 665145332 831431665 1662863330 3100751033 3325726660 6201502066 12403004132 15503755165 31007510330 52712767561 62015020660 105425535122 210851070244 263563837805 527127675610 1054255351220