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30354117768 = 23331361177211
BaseRepresentation
bin11100010001001111…
…110001010010001000
32220100102121221122000
4130101033301102020
5444131123232033
621540002031000
72123126513112
oct342117612210
986312557560
1030354117768
1111967120a47
125a71648460
132b29860640
14167d4a83b2
15bc9c77a13
hex7113f1488

30354117768 has 128 divisors (see below), whose sum is σ = 92292009600. Its totient is φ = 9186566400.

The previous prime is 30354117751. The next prime is 30354117769. The reversal of 30354117768 is 86771145303.

30354117768 is a `hidden beast` number, since 30 + 3 + 541 + 1 + 7 + 76 + 8 = 666.

It is a super-2 number, since 2×303541177682 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (30354117769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82683 + ... + 259893.

It is an arithmetic number, because the mean of its divisors is an integer number (721031325).

Almost surely, 230354117768 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 30354117768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46146004800).

30354117768 is an abundant number, since it is smaller than the sum of its proper divisors (61937891832).

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

30354117768 is a wasteful number, since it uses less digits than its factorization.

30354117768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177300 (or 177290 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 30354117768 in words is "thirty billion, three hundred fifty-four million, one hundred seventeen thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 61 72 78 104 108 117 122 156 183 216 234 244 312 351 366 468 488 549 702 732 793 936 1098 1404 1464 1586 1647 2196 2379 2808 3172 3294 4392 4758 6344 6588 7137 9516 13176 14274 19032 21411 28548 42822 57096 85644 171288 177211 354422 531633 708844 1063266 1417688 1594899 2126532 2303743 3189798 4253064 4607486 4784697 6379596 6911229 9214972 9569394 10809871 12759192 13822458 18429944 19138788 20733687 21619742 27644916 32429613 38277576 41467374 43239484 55289832 62201061 64859226 82934748 86478968 97288839 124402122 129718452 140528323 165869496 194577678 248804244 259436904 281056646 291866517 389155356 421584969 497608488 562113292 583733034 778310712 843169938 1124226584 1167466068 1264754907 1686339876 2334932136 2529509814 3372679752 3794264721 5059019628 7588529442 10118039256 15177058884 30354117768