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30551251305012 = 2232545937608751
BaseRepresentation
bin1101111001001010001000…
…11110110100001000110100
311000011200010020021112010120
412330211010132310020310
513001022430313230022
6144551015011451540
76302153326231104
oct674450436641064
9130150106245116
1030551251305012
11980979298a579
1235150542b6bb0
131407c806455b9
1477898d187204
1537ea95073d5c
hex1bc9447b4234

30551251305012 has 12 divisors (see below), whose sum is σ = 71286253045056. Its totient is φ = 10183750435000.

The previous prime is 30551251304999. The next prime is 30551251305023. The reversal of 30551251305012 is 21050315215503.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272968804364 + ... + 1272968804387.

It is an arithmetic number, because the mean of its divisors is an integer number (5940521087088).

Almost surely, 230551251305012 is an apocalyptic number.

It is an amenable number.

30551251305012 is an abundant number, since it is smaller than the sum of its proper divisors (40735001740044).

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

30551251305012 is a wasteful number, since it uses less digits than its factorization.

30551251305012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545937608758 (or 2545937608756 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 30551251305012 in words is "thirty trillion, five hundred fifty-one billion, two hundred fifty-one million, three hundred five thousand, twelve".

Divisors: 1 2 3 4 6 12 2545937608751 5091875217502 7637812826253 10183750435004 15275625652506 30551251305012