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2102230001020 = 225105111500051
BaseRepresentation
bin11110100101110110101…
…011000010010101111100
321102222020000121222112011
4132211312223002111330
5233420331340013040
64245430124421004
7304611135114202
oct36456653022574
97388200558464
102102230001020
11740607037736
1229b5146a7764
1312331607aa36
1473a69b5b072
1539a3cdad3ea
hex1e976ac257c

2102230001020 has 12 divisors (see below), whose sum is σ = 4414683002184. Its totient is φ = 840892000400.

The previous prime is 2102230000987. The next prime is 2102230001023. The reversal of 2102230001020 is 201000322012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102230001023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52555750006 + ... + 52555750045.

It is an arithmetic number, because the mean of its divisors is an integer number (367890250182).

Almost surely, 22102230001020 is an apocalyptic number.

2102230001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102230001020 is an abundant number, since it is smaller than the sum of its proper divisors (2312453001164).

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

2102230001020 is a wasteful number, since it uses less digits than its factorization.

2102230001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105111500060 (or 105111500058 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 2102230001020 its reverse (201000322012), we get a palindrome (2303230323032).

The spelling of 2102230001020 in words is "two trillion, one hundred two billion, two hundred thirty million, one thousand, twenty".

Divisors: 1 2 4 5 10 20 105111500051 210223000102 420446000204 525557500255 1051115000510 2102230001020