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10203223020 = 2235170053717
BaseRepresentation
bin10011000000010100…
…01101001111101100
3222100002011102200220
421200022031033230
5131344011114040
64404242251340
7510562651614
oct114012151754
928302142626
1010203223020
1143664a9521
121b89056b50
13c67b32793
146cb143a44
153eab522d0
hex26028d3ec

10203223020 has 24 divisors (see below), whose sum is σ = 28569024624. Its totient is φ = 2720859456.

The previous prime is 10203222961. The next prime is 10203223021. The reversal of 10203223020 is 2032230201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (10203223021) 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, 85026799 + ... + 85026918.

It is an arithmetic number, because the mean of its divisors is an integer number (1190376026).

Almost surely, 210203223020 is an apocalyptic number.

10203223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10203223020 is an abundant number, since it is smaller than the sum of its proper divisors (18365801604).

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

10203223020 is a wasteful number, since it uses less digits than its factorization.

10203223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170053729 (or 170053727 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 10203223020 its reverse (2032230201), we get a palindrome (12235453221).

The spelling of 10203223020 in words is "ten billion, two hundred three million, two hundred twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 170053717 340107434 510161151 680214868 850268585 1020322302 1700537170 2040644604 2550805755 3401074340 5101611510 10203223020