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660032612145122 = 213914231668459613
BaseRepresentation
bin1001011000010010111101000…
…1011000110001011111100010
310012112222111112120210022112012
42112010233101120301133202
51143002433242202120442
610255434443542232522
7256011532266121106
oct22604572130613742
93175874476708465
10660032612145122
111813412935a53a7
126203a8aa425742
1322439a679861b8
14b8dba6acd3906
155148e69d78582
hex2584bd16317e2

660032612145122 has 16 divisors (see below), whose sum is σ = 997872325941120. Its totient is φ = 327411840420432.

The previous prime is 660032612145113. The next prime is 660032612145163. The reversal of 660032612145122 is 221541216230066.

It is a super-2 number, since 2×6600326121451222 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 660032612145122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833834213 + ... + 834625400.

It is an arithmetic number, because the mean of its divisors is an integer number (62367020371320).

Almost surely, 2660032612145122 is an apocalyptic number.

660032612145122 is a deficient number, since it is larger than the sum of its proper divisors (337839713795998).

660032612145122 is a wasteful number, since it uses less digits than its factorization.

660032612145122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668461177.

The product of its (nonzero) digits is 207360, while the sum is 41.

Adding to 660032612145122 its reverse (221541216230066), we get a palindrome (881573828375188).

The spelling of 660032612145122 in words is "six hundred sixty trillion, thirty-two billion, six hundred twelve million, one hundred forty-five thousand, one hundred twenty-two".

Divisors: 1 2 139 278 1423 2846 197797 395594 1668459613 3336919226 231915886207 463831772414 2374218029299 4748436058598 330016306072561 660032612145122