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7182357120064 = 2672478572
BaseRepresentation
bin110100010000100010111…
…0110000100010001000000
3221102121220211001111111001
41220201011312010101000
51420133431410320224
623135310155301344
71340623335132400
oct150410566042100
927377824044431
107182357120064
11231a025394735
1297bba4a4a854
134013a76c4179
141ab8b10cc800
15c6c69d0d544
hex68845d84440

7182357120064 has 63 divisors (see below), whose sum is σ = 16579773482373. Its totient is φ = 3078088731648.

The previous prime is 7182357120061. The next prime is 7182357120131. The reversal of 7182357120064 is 4600217532817.

The square root of 7182357120064 is 2679992.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3924361000000 + 3257996120064 = 1981000^2 + 1804992^2 .

It is a super-2 number, since 2×71823571200642 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7182357119996 and 7182357120023.

It is not an unprimeable number, because it can be changed into a prime (7182357120061) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 150055624 + ... + 150103480.

Almost surely, 27182357120064 is an apocalyptic number.

7182357120064 is the 2679992-nd square number.

It is an amenable number.

7182357120064 is an abundant number, since it is smaller than the sum of its proper divisors (9397416362309).

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

7182357120064 is an frugal number, since it uses more digits than its factorization.

7182357120064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95740 (or 47866 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 7182357120064 in words is "seven trillion, one hundred eighty-two billion, three hundred fifty-seven million, one hundred twenty thousand, sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 784 1568 3136 47857 95714 191428 334999 382856 669998 765712 1339996 1531424 2344993 2679992 3062848 4689986 5359984 9379972 10719968 18759944 21439936 37519888 75039776 150079552 2290292449 4580584898 9161169796 16032047143 18322339592 32064094286 36644679184 64128188572 73289358368 112224330001 128256377144 146578716736 224448660002 256512754288 448897320004 513025508576 897794640008 1026051017152 1795589280016 3591178560032 7182357120064