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68971417986 = 23373037102299
BaseRepresentation
bin100000000111100000…
…1000101000110000010
320121000201220001121110
41000033001011012002
52112223140333421
651403544504150
74661114244162
oct1001701050602
9217021801543
1068971417986
1127283627199
121144a47b056
136672310a43
1434a41885a2
151bda185a76
hex100f045182

68971417986 has 32 divisors (see below), whose sum is σ = 141719054400. Its totient is φ = 22361524416.

The previous prime is 68971417939. The next prime is 68971417993.

It is a happy number.

68971417986 is nontrivially palindromic in base 10.

It is a super-4 number, since 4×689714179864 (a number of 44 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623065 + ... + 725363.

It is an arithmetic number, because the mean of its divisors is an integer number (4428720450).

Almost surely, 268971417986 is an apocalyptic number.

68971417986 is an abundant number, since it is smaller than the sum of its proper divisors (72747636414).

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

68971417986 is a wasteful number, since it uses less digits than its factorization.

68971417986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105378.

The product of its digits is 36578304, while the sum is 66.

The spelling of 68971417986 in words is "sixty-eight billion, nine hundred seventy-one million, four hundred seventeen thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 37 74 111 222 3037 6074 9111 18222 102299 112369 204598 224738 306897 337107 613794 674214 3785063 7570126 11355189 22710378 310682063 621364126 932046189 1864092378 11495236331 22990472662 34485708993 68971417986