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30747738067400 = 2352281547112777
BaseRepresentation
bin1101111110111000001000…
…00000010101000111001000
311000212110021201210020122102
412333130010000111013020
513012232331421124100
6145221152121012532
76322310420162624
oct677340400250710
9130773251706572
1030747738067400
119885051602312
12354714b324148
131420664b41a43
147842ac822184
15384c44d73cd5
hex1bf7040151c8

30747738067400 has 48 divisors (see below), whose sum is σ = 71742898579140. Its totient is φ = 12255326182400.

The previous prime is 30747738067369. The next prime is 30747738067447. The reversal of 30747738067400 is 476083774703.

It can be written as a sum of positive squares in 6 ways, for example, as 6735405610756 + 24012332456644 = 2595266^2 + 4900238^2 .

It is a super-2 number, since 2×307477380674002 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273500189 + ... + 273612588.

Almost surely, 230747738067400 is an apocalyptic number.

It is an amenable number.

30747738067400 is an abundant number, since it is smaller than the sum of its proper divisors (40995160511740).

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

30747738067400 is a wasteful number, since it uses less digits than its factorization.

30747738067400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547113074 (or 547113065 counting only the distinct ones).

The product of its (nonzero) digits is 16595712, while the sum is 56.

The spelling of 30747738067400 in words is "thirty trillion, seven hundred forty-seven billion, seven hundred thirty-eight million, sixty-seven thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 281 562 1124 1405 2248 2810 5620 7025 11240 14050 28100 56200 547112777 1094225554 2188451108 2735563885 4376902216 5471127770 10942255540 13677819425 21884511080 27355638850 54711277700 109422555400 153738690337 307477380674 614954761348 768693451685 1229909522696 1537386903370 3074773806740 3843467258425 6149547613480 7686934516850 15373869033700 30747738067400