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1020103221313 = 11195982726723
BaseRepresentation
bin11101101100000101110…
…00111110000001000001
310121112001202011212202101
432312002320332001001
5113203132411040223
62100343504150401
7133462052212501
oct16660270760101
93545052155671
101020103221313
11363694746690
12145852608401
1375270174277
143753231ba01
151b8065c14ad
hexed82e3e041

1020103221313 has 16 divisors (see below), whose sum is σ = 1191264825600. Its totient is φ = 863666977680.

The previous prime is 1020103221281. The next prime is 1020103221329. The reversal of 1020103221313 is 3131223010201.

It is not a de Polignac number, because 1020103221313 - 25 = 1020103221281 is a prime.

It is a super-3 number, since 3×10201032213133 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020103221353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41351031 + ... + 41375692.

It is an arithmetic number, because the mean of its divisors is an integer number (74454051600).

Almost surely, 21020103221313 is an apocalyptic number.

It is an amenable number.

1020103221313 is a deficient number, since it is larger than the sum of its proper divisors (171161604287).

1020103221313 is a wasteful number, since it uses less digits than its factorization.

1020103221313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82726812.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1020103221313 its reverse (3131223010201), we get a palindrome (4151326231514).

The spelling of 1020103221313 in words is "one trillion, twenty billion, one hundred three million, two hundred twenty-one thousand, three hundred thirteen".

Divisors: 1 11 19 59 209 649 1121 12331 82726723 909993953 1571807737 4880876657 17289885107 53689643227 92736656483 1020103221313