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10203221330 = 2517531398147
BaseRepresentation
bin10011000000010100…
…01100110101010010
3222100002011100101022
421200022030311102
5131344011040310
64404242235442
7510562643651
oct114012146522
928302140338
1010203221330
1143664a8225
121b89055b82
13c67b31a93
146cb143198
153eab51a55
hex26028cd52

10203221330 has 64 divisors (see below), whose sum is σ = 19958037120. Its totient is φ = 3741164544.

The previous prime is 10203221323. The next prime is 10203221339. The reversal of 10203221330 is 3312230201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 10203221299 and 10203221308.

It is not an unprimeable number, because it can be changed into a prime (10203221339) 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 31 ways as a sum of consecutive naturals, for example, 1248317 + ... + 1256463.

It is an arithmetic number, because the mean of its divisors is an integer number (311844330).

Almost surely, 210203221330 is an apocalyptic number.

10203221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10203221330 is a deficient number, since it is larger than the sum of its proper divisors (9754815790).

10203221330 is a wasteful number, since it uses less digits than its factorization.

10203221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8363.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10203221330 its reverse (3312230201), we get a palindrome (13515451531).

The spelling of 10203221330 in words is "ten billion, two hundred three million, two hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 17 34 53 85 106 139 170 265 278 530 695 901 1390 1802 2363 4505 4726 7367 8147 9010 11815 14734 16294 23630 36835 40735 73670 81470 125239 138499 250478 276998 431791 626195 692495 863582 1132433 1252390 1384990 2158955 2264866 4317910 5662165 7340447 11324330 14680894 19251361 36702235 38502722 60018949 73404470 96256805 120037898 192513610 300094745 600189490 1020322133 2040644266 5101610665 10203221330