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30102012103312 = 246775767370613
BaseRepresentation
bin1101101100000101010111…
…01111010000101010010000
310221120201112222110112120201
412312002223233100222100
512421142410044301222
6144004401244344544
76224540631066142
oct666025357205220
9127521488415521
1030102012103312
119656212090156
123461b7ab45154
1313a47b8a73066
14760d33736c92
153730509b7427
hex1b60abbd0a90

30102012103312 has 40 divisors (see below), whose sum is σ = 59194076711616. Its totient is φ = 14826128482176.

The previous prime is 30102012103309. The next prime is 30102012103313. The reversal of 30102012103312 is 21330121020103.

It is a super-2 number, since 2×301020121033122 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30102012103312.

It is not an unprimeable number, because it can be changed into a prime (30102012103313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81036918 + ... + 81407530.

Almost surely, 230102012103312 is an apocalyptic number.

It is an amenable number.

30102012103312 is a deficient number, since it is larger than the sum of its proper divisors (29092064608304).

30102012103312 is a wasteful number, since it uses less digits than its factorization.

30102012103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446455 (or 446449 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30102012103312 its reverse (21330121020103), we get a palindrome (51432133123415).

The spelling of 30102012103312 in words is "thirty trillion, one hundred two billion, twelve million, one hundred three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 67 134 268 536 1072 75767 151534 303068 370613 606136 741226 1212272 1482452 2964904 5076389 5929808 10152778 20305556 24831071 40611112 49662142 81222224 99324284 198648568 397297136 28080235171 56160470342 112320940684 224641881368 449283762736 1881375756457 3762751512914 7525503025828 15051006051656 30102012103312