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1001100101010 = 235197631688509
BaseRepresentation
bin11101001000101100011…
…01110100010110010010
310112201000101110100100220
432210112031310112102
5112400223111213020
62043522105253510
7132220123312422
oct16442615642622
93481011410326
101001100101010
113566229aa089
1214202a494296
1373532183499
143664c5b0482
151b09311c240
hexe916374592

1001100101010 has 32 divisors (see below), whose sum is σ = 2402763238080. Its totient is φ = 266946360768.

The previous prime is 1001100100991. The next prime is 1001100101011. The reversal of 1001100101010 is 101010011001.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a self number, because there is not a number n which added to its sum of digits gives 1001100101010.

It is not an unprimeable number, because it can be changed into a prime (1001100101011) by changing a digit.

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, 251365 + ... + 1437144.

It is an arithmetic number, because the mean of its divisors is an integer number (75086351190).

Almost surely, 21001100101010 is an apocalyptic number.

1001100101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001100101010 is an abundant number, since it is smaller than the sum of its proper divisors (1401663137070).

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

1001100101010 is a wasteful number, since it uses less digits than its factorization.

1001100101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708282.

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 1001100101010 its reverse (101010011001), we get a palindrome (1102110112011).

Subtracting from 1001100101010 its reverse (101010011001), we obtain a palindrome (900090090009).

The spelling of 1001100101010 in words is "one trillion, one billion, one hundred million, one hundred one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 19763 39526 59289 98815 118578 197630 296445 592890 1688509 3377018 5065527 8442545 10131054 16885090 25327635 50655270 33370003367 66740006734 100110010101 166850016835 200220020202 333700033670 500550050505 1001100101010