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30302605164 = 223132194318289
BaseRepresentation
bin11100001110001011…
…010000111101101100
32220012211200211121210
4130032023100331230
5444024431331124
621530521554420
72121632615436
oct341613207554
986184624553
1030302605164
1111940037847
125a58345a10
132b1bc95900
1416766d9656
15bc549ea29
hex70e2d0f6c

30302605164 has 144 divisors (see below), whose sum is σ = 82471804800. Its totient is φ = 8627254272.

The previous prime is 30302605129. The next prime is 30302605187. The reversal of 30302605164 is 46150620303.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1647732 + ... + 1666020.

Almost surely, 230302605164 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 30302605164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41235902400).

30302605164 is an abundant number, since it is smaller than the sum of its proper divisors (52169199636).

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

30302605164 is a wasteful number, since it uses less digits than its factorization.

30302605164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18384 (or 18369 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 30302605164 in words is "thirty billion, three hundred two million, six hundred five thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 43 52 57 76 78 86 114 129 156 169 172 228 247 258 338 494 507 516 559 676 741 817 988 1014 1118 1482 1634 1677 2028 2236 2451 2964 3211 3268 3354 4902 6422 6708 7267 9633 9804 10621 12844 14534 18289 19266 21242 21801 29068 31863 36578 38532 42484 43602 54867 63726 73156 87204 109734 127452 138073 219468 237757 276146 347491 414219 475514 552292 694982 713271 786427 828438 951028 1042473 1389964 1426542 1572854 1656876 2084946 2359281 2853084 3090841 3145708 4169892 4517383 4718562 6181682 9034766 9272523 9437124 10223551 12363364 13552149 14942113 18069532 18545046 20447102 27104298 29884226 30670653 37090092 40894204 44826339 54208596 58725979 59768452 61341306 89652678 117451958 122682612 132906163 176177937 179305356 194247469 234903916 265812326 352355874 388494938 398718489 531624652 582742407 704711748 776989876 797436978 1165484814 1594873956 2330969628 2525217097 5050434194 7575651291 10100868388 15151302582 30302605164