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30520054631360 = 265713625024389
BaseRepresentation
bin1101111000010000000010…
…00000111100101111000000
311000001200121002020022010002
412330020001000330233000
513000020032441200420
6144524415230455132
76300000255666560
oct674100100745700
9130050532208102
1030520054631360
1197a7534201958
12350aba86644a8
13140504b3820a8
1477726dc36da0
1537dd6b36a075
hex1bc20103cbc0

30520054631360 has 56 divisors (see below), whose sum is σ = 83058148681440. Its totient is φ = 10464018729984.

The previous prime is 30520054631303. The next prime is 30520054631387. The reversal of 30520054631360 is 6313645002503.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6812509955 + ... + 6812514434.

Almost surely, 230520054631360 is an apocalyptic number.

It is an amenable number.

30520054631360 is an abundant number, since it is smaller than the sum of its proper divisors (52538094050080).

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

30520054631360 is a wasteful number, since it uses less digits than its factorization.

30520054631360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13625024413 (or 13625024403 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 30520054631360 its reverse (6313645002503), we get a palindrome (36833699633863).

The spelling of 30520054631360 in words is "thirty trillion, five hundred twenty billion, fifty-four million, six hundred thirty-one thousand, three hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 13625024389 27250048778 54500097556 68125121945 95375170723 109000195112 136250243890 190750341446 218000390224 272500487780 381500682892 436000780448 476875853615 545000975560 763001365784 872001560896 953751707230 1090001951120 1526002731568 1907503414460 2180003902240 3052005463136 3815006828920 4360007804480 6104010926272 7630013657840 15260027315680 30520054631360