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30555511434 = 23272139924763
BaseRepresentation
bin11100011101010000…
…000001101010001010
32220212110120210210200
4130131100001222022
51000034202331214
622011554353030
72131123363500
oct343520015212
986773523720
1030555511434
1111a5a875a98
125b08b8b776
132b5c4b50a6
14169c130670
15bdc7a9d09
hex71d401a8a

30555511434 has 72 divisors (see below), whose sum is σ = 77070520800. Its totient is φ = 8723553552.

The previous prime is 30555511351. The next prime is 30555511451. The reversal of 30555511434 is 43411555503.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1221537 + ... + 1246299.

It is an arithmetic number, because the mean of its divisors is an integer number (1070423900).

Almost surely, 230555511434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30555511434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38535260400).

30555511434 is an abundant number, since it is smaller than the sum of its proper divisors (46515009366).

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

30555511434 is a wasteful number, since it uses less digits than its factorization.

30555511434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26184 (or 26174 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 30555511434 in words is "thirty billion, five hundred fifty-five million, five hundred eleven thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 441 882 1399 2798 4197 8394 9793 12591 19586 24763 25182 29379 49526 58758 68551 74289 88137 137102 148578 173341 176274 205653 222867 346682 411306 445734 520023 616959 1040046 1213387 1233918 1560069 2426774 3120138 3640161 7280322 10920483 21840966 34643437 69286874 103930311 207860622 242504059 311790933 485008118 623581866 727512177 1455024354 1697528413 2182536531 3395056826 4365073062 5092585239 10185170478 15277755717 30555511434