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30543062154 = 23117111815519
BaseRepresentation
bin11100011100100000…
…100010010010001010
32220211121011022121020
4130130200202102022
51000023010442104
622010431453310
72130612513303
oct343440422212
986747138536
1030543062154
1111a53842730
125b04987236
132b59a46757
14169a60d7aa
15bdb64b2d9
hex71c82248a

30543062154 has 64 divisors (see below), whose sum is σ = 67647467520. Its totient is φ = 9115736000.

The previous prime is 30543062141. The next prime is 30543062161. The reversal of 30543062154 is 45126034503.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5531407 + ... + 5536925.

It is an arithmetic number, because the mean of its divisors is an integer number (1056991680).

Almost surely, 230543062154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30543062154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33823733760).

30543062154 is an abundant number, since it is smaller than the sum of its proper divisors (37104405366).

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

30543062154 is a wasteful number, since it uses less digits than its factorization.

30543062154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 30543062154 its reverse (45126034503), we get a palindrome (75669096657).

The spelling of 30543062154 in words is "thirty billion, five hundred forty-three million, sixty-two thousand, one hundred fifty-four".

Divisors: 1 2 3 6 11 22 33 66 71 142 213 426 781 1181 1562 2343 2362 3543 4686 5519 7086 11038 12991 16557 25982 33114 38973 60709 77946 83851 121418 167702 182127 251553 364254 391849 503106 783698 922361 1175547 1844722 2351094 2767083 4310339 5534166 6517939 8620678 12931017 13035878 19553817 25862034 39107634 71697329 143394658 215091987 430183974 462773669 925547338 1388321007 2776642014 5090510359 10181020718 15271531077 30543062154