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30973395140960 = 2551022318936097
BaseRepresentation
bin1110000101011100011100…
…01101110000000101100000
311001200000202011101022102112
413002232032031300011200
513024432003124002320
6145512551543134452
76344516414515436
oct702561615600540
9131600664338375
1030973395140960
11996181a09a638
123582a27444428
131438a17856c3c
1479119824cd56
1538aa50a0dec5
hex1c2b8e370160

30973395140960 has 48 divisors (see below), whose sum is σ = 73181807729856. Its totient is φ = 12388145491968.

The previous prime is 30973395140959. The next prime is 30973395140977. The reversal of 30973395140960 is 6904159337903.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30973395140960.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7832369 + ... + 11103728.

It is an arithmetic number, because the mean of its divisors is an integer number (1524620994372).

Almost surely, 230973395140960 is an apocalyptic number.

It is an amenable number.

30973395140960 is an abundant number, since it is smaller than the sum of its proper divisors (42208412588896).

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

30973395140960 is a wasteful number, since it uses less digits than its factorization.

30973395140960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18946335 (or 18946327 counting only the distinct ones).

The product of its (nonzero) digits is 16533720, while the sum is 59.

The spelling of 30973395140960 in words is "thirty trillion, nine hundred seventy-three billion, three hundred ninety-five million, one hundred forty thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 10223 20446 40892 51115 81784 102230 163568 204460 327136 408920 817840 1635680 18936097 37872194 75744388 94680485 151488776 189360970 302977552 378721940 605955104 757443880 1514887760 3029775520 193583719631 387167439262 774334878524 967918598155 1548669757048 1935837196310 3097339514096 3871674392620 6194679028192 7743348785240 15486697570480 30973395140960