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1013223100 = 225231093259
BaseRepresentation
bin111100011001001…
…000111010111100
32121121120001210111
4330121020322330
54033341114400
6244312515404
734052153131
oct7431107274
92547501714
101013223100
1147aa3556a
122433abb64
13131bb9ac6
14987d0588
155de443ba
hex3c648ebc

1013223100 has 36 divisors (see below), whose sum is σ = 2200076200. Its totient is φ = 405034560.

The previous prime is 1013223091. The next prime is 1013223109. The reversal of 1013223100 is 13223101.

It is an interprime number because it is at equal distance from previous prime (1013223091) and next prime (1013223109).

It is a super-2 number, since 2×10132231002 = 2053242100747220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013223109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309271 + ... + 312529.

Almost surely, 21013223100 is an apocalyptic number.

1013223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013223100 is an abundant number, since it is smaller than the sum of its proper divisors (1186853100).

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

1013223100 is a wasteful number, since it uses less digits than its factorization.

1013223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382 (or 6375 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1013223100 is about 31831.1655457352. The cubic root of 1013223100 is about 1004.3884136547.

Adding to 1013223100 its reverse (13223101), we get a palindrome (1026446201).

Subtracting from 1013223100 its reverse (13223101), we obtain a palindrome (999999999).

The spelling of 1013223100 in words is "one billion, thirteen million, two hundred twenty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 3109 3259 6218 6518 12436 13036 15545 16295 31090 32590 62180 65180 77725 81475 155450 162950 310900 325900 10132231 20264462 40528924 50661155 101322310 202644620 253305775 506611550 1013223100