Search a number
-
+
30730142496 = 2532313917637
BaseRepresentation
bin11100100111101010…
…001100001100100000
32221022122011222120210
4130213222030030200
51000413404024441
622041153334120
72135343621114
oct344752141440
987278158523
1030730142496
111203a400989
125b57567340
132b89729291
1416b73cb744
15becca2616
hex727a8c320

30730142496 has 48 divisors (see below), whose sum is σ = 84173874624. Its totient is φ = 9798015744.

The previous prime is 30730142449. The next prime is 30730142543. The reversal of 30730142496 is 69424103703.

It is an interprime number because it is at equal distance from previous prime (30730142449) and next prime (30730142543).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×307301424962 (a number of 22 digits) 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, 6956611 + ... + 6961026.

It is an arithmetic number, because the mean of its divisors is an integer number (1753622388).

Almost surely, 230730142496 is an apocalyptic number.

It is an amenable number.

30730142496 is an abundant number, since it is smaller than the sum of its proper divisors (53443732128).

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

30730142496 is a wasteful number, since it uses less digits than its factorization.

30730142496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13917673 (or 13917665 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 30730142496 in words is "thirty billion, seven hundred thirty million, one hundred forty-two thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 69 92 96 138 184 276 368 552 736 1104 2208 13917637 27835274 41752911 55670548 83505822 111341096 167011644 222682192 320105651 334023288 445364384 640211302 668046576 960316953 1280422604 1336093152 1920633906 2560845208 3841267812 5121690416 7682535624 10243380832 15365071248 30730142496