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1020130440212 = 2213157124954733
BaseRepresentation
bin11101101100001001000…
…00110011010000010100
310121112010122101202001202
432312010200303100110
5113203211343041322
62100350315412032
7133462532446052
oct16660440632024
93545118352052
101020130440212
113636a9047644
1214585b754018
13752759b4420
1437535ba51d2
151b808b9b292
hexed84833414

1020130440212 has 24 divisors (see below), whose sum is σ = 1934799101256. Its totient is φ = 467830516608.

The previous prime is 1020130440163. The next prime is 1020130440221. The reversal of 1020130440212 is 2120440310201.

It can be written as a sum of positive squares in 4 ways, for example, as 56148145936 + 963982294276 = 236956^2 + 981826^2 .

It is a super-2 number, since 2×10201304402122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62469203 + ... + 62485530.

It is an arithmetic number, because the mean of its divisors is an integer number (80616629219).

Almost surely, 21020130440212 is an apocalyptic number.

It is an amenable number.

1020130440212 is a deficient number, since it is larger than the sum of its proper divisors (914668661044).

1020130440212 is a wasteful number, since it uses less digits than its factorization.

1020130440212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124954907 (or 124954905 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1020130440212 its reverse (2120440310201), we get a palindrome (3140570750413).

The spelling of 1020130440212 in words is "one trillion, twenty billion, one hundred thirty million, four hundred forty thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 157 314 628 2041 4082 8164 124954733 249909466 499818932 1624411529 3248823058 6497646116 19617893081 39235786162 78471572324 255032610053 510065220106 1020130440212