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10203112213 = 710121536703
BaseRepresentation
bin10011000000010011…
…10010001100010101
3222100001221210200221
421200021302030111
5131343444042323
64404240034341
7510562010560
oct114011621425
928301853627
1010203112213
114366433248
121b890029b1
13c67ac4208
146cb1154d7
153eab2e55d
hex260272315

10203112213 has 16 divisors (see below), whose sum is σ = 11783379456. Its totient is φ = 8653622400.

The previous prime is 10203112211. The next prime is 10203112217. The reversal of 10203112213 is 31221130201.

It is a cyclic number.

It is not a de Polignac number, because 10203112213 - 21 = 10203112211 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 (10203112211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518820 + ... + 1525522.

It is an arithmetic number, because the mean of its divisors is an integer number (736461216).

Almost surely, 210203112213 is an apocalyptic number.

It is an amenable number.

10203112213 is a deficient number, since it is larger than the sum of its proper divisors (1580267243).

10203112213 is a wasteful number, since it uses less digits than its factorization.

10203112213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8964.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10203112213 its reverse (31221130201), we get a palindrome (41424242414).

It can be divided in two parts, 102031 and 12213, that added together give a square (114244 = 3382).

The spelling of 10203112213 in words is "ten billion, two hundred three million, one hundred twelve thousand, two hundred thirteen".

Divisors: 1 7 101 707 2153 6703 15071 46921 217453 677003 1522171 4739021 14431559 101020913 1457587459 10203112213