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1013213223 = 321122932083
BaseRepresentation
bin111100011001000…
…110100000100111
32121121112120020200
4330121012200213
54033340310343
6244312401543
734052112261
oct7431064047
92547476220
101013213223
1147aa29100
122433a62b3
13131bb5469
14987cab31
155de414d3
hex3c646827

1013213223 has 36 divisors (see below), whose sum is σ = 1664197080. Its totient is φ = 592875360.

The previous prime is 1013213219. The next prime is 1013213231. The reversal of 1013213223 is 3223123101.

It is not a de Polignac number, because 1013213223 - 22 = 1013213219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013213196 and 1013213205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013213213) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15540 + ... + 47622.

Almost surely, 21013213223 is an apocalyptic number.

1013213223 is a deficient number, since it is larger than the sum of its proper divisors (650983857).

1013213223 is a wasteful number, since it uses less digits than its factorization.

1013213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32140 (or 32126 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1013213223 is about 31831.0103986663. The cubic root of 1013213223 is about 1004.3851500178.

Adding to 1013213223 its reverse (3223123101), we get a palindrome (4236336324).

The spelling of 1013213223 in words is "one billion, thirteen million, two hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 3 9 11 29 33 87 99 121 261 319 363 957 1089 2871 3509 10527 31581 32083 96249 288747 352913 930407 1058739 2791221 3176217 3882043 8373663 10234477 11646129 30703431 34938387 92110293 112579247 337737741 1013213223