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7409342144 = 261910955901
BaseRepresentation
bin1101110011010000…
…11001011011000000
3201010100222120122102
412321220121123000
5110133242422034
63223115525532
7351416240411
oct67150313300
921110876572
107409342144
113162420466
1215294598a8
13911068829
14504073808
152d572597e
hex1b9a196c0

7409342144 has 56 divisors (see below), whose sum is σ = 15619018800. Its totient is φ = 3477427200.

The previous prime is 7409342111. The next prime is 7409342173. The reversal of 7409342144 is 4412439047.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 7409342098 and 7409342107.

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, 104594 + ... + 160494.

It is an arithmetic number, because the mean of its divisors is an integer number (278911050).

Almost surely, 27409342144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7409342144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7809509400).

7409342144 is an abundant number, since it is smaller than the sum of its proper divisors (8209676656).

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

7409342144 is a wasteful number, since it uses less digits than its factorization.

7409342144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56041 (or 56031 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 7409342144 is about 86077.5356524570. The cubic root of 7409342144 is about 1949.5148601582.

The spelling of 7409342144 in words is "seven billion, four hundred nine million, three hundred forty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 19 32 38 64 76 109 152 218 304 436 608 872 1216 1744 2071 3488 4142 6976 8284 16568 33136 55901 66272 111802 132544 223604 447208 894416 1062119 1788832 2124238 3577664 4248476 6093209 8496952 12186418 16993904 24372836 33987808 48745672 67975616 97491344 115770971 194982688 231541942 389965376 463083884 926167768 1852335536 3704671072 7409342144