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1020422540001 = 3340140846667
BaseRepresentation
bin11101101100101011110…
…11000100101011100001
310121112220000000221122110
432312111323010223201
5113204311132240001
62100435312225533
7133503010322664
oct16662573045341
93545800027573
101020422540001
11363838a15527
1214592153b2a9
13752c1377337
14375628bd6db
151b8246493d6
hexed95ec4ae1

1020422540001 has 4 divisors (see below), whose sum is σ = 1360563386672. Its totient is φ = 680281693332.

The previous prime is 1020422539991. The next prime is 1020422540009. The reversal of 1020422540001 is 1000452240201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1020422540001 - 222 = 1020418345697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020422540001.

It is not an unprimeable number, because it can be changed into a prime (1020422540009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170070423331 + ... + 170070423336.

It is an arithmetic number, because the mean of its divisors is an integer number (340140846668).

Almost surely, 21020422540001 is an apocalyptic number.

It is an amenable number.

1020422540001 is a deficient number, since it is larger than the sum of its proper divisors (340140846671).

1020422540001 is an equidigital number, since it uses as much as digits as its factorization.

1020422540001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340140846670.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 1020422540001 its reverse (1000452240201), we get a palindrome (2020874780202).

The spelling of 1020422540001 in words is "one trillion, twenty billion, four hundred twenty-two million, five hundred forty thousand, one".

Divisors: 1 3 340140846667 1020422540001