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1013013421 = 7592452817
BaseRepresentation
bin111100011000010…
…101101110101101
32121121011102011121
4330120111232231
54033312412141
6244304220541
734050320620
oct7430255655
92547142147
101013013421
1147a901a82
1224330a751
13131b45534
1498777db7
155de021d1
hex3c615bad

1013013421 has 8 divisors (see below), whose sum is σ = 1177352640. Its totient is φ = 853579968.

The previous prime is 1013013383. The next prime is 1013013427. The reversal of 1013013421 is 1243103101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013013421 - 27 = 1013013293 is a prime.

It is a super-2 number, since 2×10130134212 = 2052392382252246482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013013395 and 1013013404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013013427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225996 + ... + 1226821.

It is an arithmetic number, because the mean of its divisors is an integer number (147169080).

Almost surely, 21013013421 is an apocalyptic number.

It is an amenable number.

1013013421 is a deficient number, since it is larger than the sum of its proper divisors (164339219).

1013013421 is an equidigital number, since it uses as much as digits as its factorization.

1013013421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452883.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1013013421 is about 31827.8717635974. The cubic root of 1013013421 is about 1004.3191252991.

Adding to 1013013421 its reverse (1243103101), we get a palindrome (2256116522).

The spelling of 1013013421 in words is "one billion, thirteen million, thirteen thousand, four hundred twenty-one".

Divisors: 1 7 59 413 2452817 17169719 144716203 1013013421