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1020506203301 = 13517971515541
BaseRepresentation
bin11101101100110101110…
…10001110010010100101
310121120002211110111010012
432312122322032102211
5113204444042001201
62100451501340005
7133505044414214
oct16663272162245
93546084414105
101020506203301
11363881168a52
12145945567605
13753057bac50
143756da5b07b
151b82bb735bb
hexed9ae8e4a5

1020506203301 has 8 divisors (see below), whose sum is σ = 1099028623224. Its totient is φ = 941986918080.

The previous prime is 1020506203273. The next prime is 1020506203427. The reversal of 1020506203301 is 1033026050201.

It can be written as a sum of positive squares in 4 ways, for example, as 121470372676 + 899035830625 = 348526^2 + 948175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020506203301 - 210 = 1020506202277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020506103301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84410 + ... + 1431131.

It is an arithmetic number, because the mean of its divisors is an integer number (137378577903).

Almost surely, 21020506203301 is an apocalyptic number.

It is an amenable number.

1020506203301 is a deficient number, since it is larger than the sum of its proper divisors (78522419923).

1020506203301 is a wasteful number, since it uses less digits than its factorization.

1020506203301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567351.

The product of its (nonzero) digits is 1080, while the sum is 23.

The spelling of 1020506203301 in words is "one trillion, twenty billion, five hundred six million, two hundred three thousand, three hundred one".

Divisors: 1 13 51797 673361 1515541 19702033 78500477177 1020506203301