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1001213311110 = 23585549390113
BaseRepresentation
bin11101001000111001111…
…01101011100010000110
310112201022021111000102120
432210130331223202012
5112400441101423420
62043541231550410
7132222666504135
oct16443475534206
93481267430376
101001213311110
113566808a3551
1214206038b406
137354c7709cc
143665d63d91c
151b09d030d40
hexe91cf6b886

1001213311110 has 32 divisors (see below), whose sum is σ = 2402946194400. Its totient is φ = 266986411008.

The previous prime is 1001213311099. The next prime is 1001213311159. The reversal of 1001213311110 is 111133121001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1001213311110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2371414 + ... + 2761526.

It is an arithmetic number, because the mean of its divisors is an integer number (75092068575).

Almost surely, 21001213311110 is an apocalyptic number.

1001213311110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001213311110 is an abundant number, since it is smaller than the sum of its proper divisors (1401732883290).

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

1001213311110 is a wasteful number, since it uses less digits than its factorization.

1001213311110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475672.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1001213311110 its reverse (111133121001), we get a palindrome (1112346432111).

The spelling of 1001213311110 in words is "one trillion, one billion, two hundred thirteen million, three hundred eleven thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 85549 171098 256647 390113 427745 513294 780226 855490 1170339 1283235 1950565 2340678 2566470 3901130 5851695 11703390 33373777037 66747554074 100121331111 166868885185 200242662222 333737770370 500606655555 1001213311110