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1020100230021 = 3359947168273
BaseRepresentation
bin11101101100000101011…
…01100011101110000101
310121112001112112220110210
432312002231203232011
5113203131124330041
62100343320110033
7133462014613515
oct16660255435605
93545045486423
101020100230021
11363692a93244
12145851605319
137526c667882
1437531b7d845
151b8061d0016
hexed82b63b85

1020100230021 has 8 divisors (see below), whose sum is σ = 1363922314560. Its totient is φ = 678172482752.

The previous prime is 1020100230001. The next prime is 1020100230041. The reversal of 1020100230021 is 1200320010201.

It is an interprime number because it is at equal distance from previous prime (1020100230001) and next prime (1020100230041).

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

It is a cyclic number.

It is not a de Polignac number, because 1020100230021 - 211 = 1020100227973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020100229979 and 1020100230006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020100230001) 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, 473583060 + ... + 473585213.

It is an arithmetic number, because the mean of its divisors is an integer number (170490289320).

Almost surely, 21020100230021 is an apocalyptic number.

It is an amenable number.

1020100230021 is a deficient number, since it is larger than the sum of its proper divisors (343822084539).

1020100230021 is an equidigital number, since it uses as much as digits as its factorization.

1020100230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947168635.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1020100230021 its reverse (1200320010201), we get a palindrome (2220420240222).

The spelling of 1020100230021 in words is "one trillion, twenty billion, one hundred million, two hundred thirty thousand, twenty-one".

Divisors: 1 3 359 1077 947168273 2841504819 340033410007 1020100230021