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30402334112 = 251923317951
BaseRepresentation
bin11100010100000111…
…101100110110100000
32220110210100121000112
4130110013230312200
5444230444142422
621544443310452
72124253401413
oct342407546640
986423317015
1030402334112
1111991363667
125a8581b428
132b36842c17
141685a59b7a
15bce0edee2
hex7141ecda0

30402334112 has 72 divisors (see below), whose sum is σ = 63369456192. Its totient is φ = 14355792000.

The previous prime is 30402334103. The next prime is 30402334117. The reversal of 30402334112 is 21143320403.

It is not an unprimeable number, because it can be changed into a prime (30402334117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3819737 + ... + 3827687.

It is an arithmetic number, because the mean of its divisors is an integer number (880131336).

Almost surely, 230402334112 is an apocalyptic number.

30402334112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30402334112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31684728096).

30402334112 is an abundant number, since it is smaller than the sum of its proper divisors (32967122080).

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

30402334112 is a wasteful number, since it uses less digits than its factorization.

30402334112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8330 (or 8303 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30402334112 its reverse (21143320403), we get a palindrome (51545654515).

The spelling of 30402334112 in words is "thirty billion, four hundred two million, three hundred thirty-four thousand, one hundred twelve".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 331 361 608 662 722 1324 1444 2648 2888 5296 5776 6289 7951 10592 11552 12578 15902 25156 31804 50312 63608 100624 119491 127216 151069 201248 238982 254432 302138 477964 604276 955928 1208552 1911856 2417104 2631781 2870311 3823712 4834208 5263562 5740622 10527124 11481244 21054248 22962488 42108496 45924976 50003839 84216992 91849952 100007678 200015356 400030712 800061424 950072941 1600122848 1900145882 3800291764 7600583528 15201167056 30402334112