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1013030025 = 35271929581
BaseRepresentation
bin111100011000011…
…001110010001001
32121121012020221120
4330120121302021
54033313430100
6244304425453
734050420210
oct7430316211
92547166846
101013030025
1147a9134a7
12243318289
13131b4cc67
1498780077
155de070a0
hex3c619c89

1013030025 has 24 divisors (see below), whose sum is σ = 1914145344. Its totient is φ = 463099200.

The previous prime is 1013029999. The next prime is 1013030033. The reversal of 1013030025 is 5200303101.

It is a happy number.

It is not a de Polignac number, because 1013030025 - 29 = 1013029513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1013029986 and 1013030013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 964266 + ... + 965315.

It is an arithmetic number, because the mean of its divisors is an integer number (79756056).

Almost surely, 21013030025 is an apocalyptic number.

1013030025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1013030025 is a deficient number, since it is larger than the sum of its proper divisors (901115319).

1013030025 is a wasteful number, since it uses less digits than its factorization.

1013030025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929601 (or 1929596 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1013030025 is about 31828.1326030919. The cubic root of 1013030025 is about 1004.3246124339.

Adding to 1013030025 its reverse (5200303101), we get a palindrome (6213333126).

The spelling of 1013030025 in words is "one billion, thirteen million, thirty thousand, twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 1929581 5788743 9647905 13507067 28943715 40521201 48239525 67535335 144718575 202606005 337676675 1013030025