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1013205430 = 252312593499
BaseRepresentation
bin111100011001000…
…100100110110110
32121121112011120001
4330121010212312
54033340033210
6244312301514
734052050456
oct7431044666
92547464501
101013205430
1147aa23266
122433a189a
13131bb1a53
14987c7d66
155de3e03a
hex3c6449b6

1013205430 has 32 divisors (see below), whose sum is σ = 1905120000. Its totient is φ = 387242592.

The previous prime is 1013205421. The next prime is 1013205433. The reversal of 1013205430 is 345023101.

1013205430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1013205398 and 1013205407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013205433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287821 + ... + 291319.

It is an arithmetic number, because the mean of its divisors is an integer number (59535000).

Almost surely, 21013205430 is an apocalyptic number.

1013205430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013205430 is a deficient number, since it is larger than the sum of its proper divisors (891914570).

1013205430 is a wasteful number, since it uses less digits than its factorization.

1013205430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1013205430 is about 31830.8879863569. The cubic root of 1013205430 is about 1004.3825749779.

Adding to 1013205430 its reverse (345023101), we get a palindrome (1358228531).

The spelling of 1013205430 in words is "one billion, thirteen million, two hundred five thousand, four hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 1259 2518 3499 6295 6998 12590 17495 28957 34990 57914 80477 144785 160954 289570 402385 804770 4405241 8810482 22026205 44052410 101320543 202641086 506602715 1013205430