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1013025320 = 23597261089
BaseRepresentation
bin111100011000011…
…000101000101000
32121121012000111022
4330120120220220
54033313302240
6244304352012
734050400406
oct7430305050
92547160438
101013025320
1147a90aa0a
12243315608
13131b4aa88
149877c476
155de059b5
hex3c618a28

1013025320 has 32 divisors (see below), whose sum is σ = 2302813800. Its totient is φ = 401031168.

The previous prime is 1013025313. The next prime is 1013025341. The reversal of 1013025320 is 235203101.

It can be written as a sum of positive squares in 4 ways, for example, as 971319556 + 41705764 = 31166^2 + 6458^2 .

It is a super-2 number, since 2×10130253202 = 2052440597922204800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126665 + ... + 134424.

Almost surely, 21013025320 is an apocalyptic number.

1013025320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013025320 is an abundant number, since it is smaller than the sum of its proper divisors (1289788480).

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

1013025320 is a wasteful number, since it uses less digits than its factorization.

1013025320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261197 (or 261193 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1013025320 is about 31828.0586904071. The cubic root of 1013025320 is about 1004.3230575756.

Adding to 1013025320 its reverse (235203101), we get a palindrome (1248228421).

The spelling of 1013025320 in words is "one billion, thirteen million, twenty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 97 194 388 485 776 970 1940 3880 261089 522178 1044356 1305445 2088712 2610890 5221780 10443560 25325633 50651266 101302532 126628165 202605064 253256330 506512660 1013025320