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168746407386 = 231729383148949
BaseRepresentation
bin1001110100101000010…
…0011101010111011010
3121010120020010200100020
42131022010131113122
510231043040014021
6205304313051310
715122456540124
oct2351204352732
9533506120306
10168746407386
1165623a47517
12288549b6b36
1312bb331a1cb
14824b396214
1545c97757c6
hex274a11d5da

168746407386 has 64 divisors (see below), whose sum is σ = 370635264000. Its totient is φ = 50980729856.

The previous prime is 168746407351. The next prime is 168746407411. The reversal of 168746407386 is 683704647861.

It is a happy number.

168746407386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 1058440 + ... + 1207388.

It is an arithmetic number, because the mean of its divisors is an integer number (5791176000).

Almost surely, 2168746407386 is an apocalyptic number.

168746407386 is an abundant number, since it is smaller than the sum of its proper divisors (201888856614).

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

168746407386 is a wasteful number, since it uses less digits than its factorization.

168746407386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149383.

The product of its (nonzero) digits is 32514048, while the sum is 60.

The spelling of 168746407386 in words is "one hundred sixty-eight billion, seven hundred forty-six million, four hundred seven thousand, three hundred eighty-six".

Divisors: 1 2 3 6 17 29 34 51 58 87 102 174 383 493 766 986 1149 1479 2298 2958 6511 11107 13022 19533 22214 33321 39066 66642 148949 188819 297898 377638 446847 566457 893694 1132914 2532133 4319521 5064266 7596399 8639042 12958563 15192798 25917126 57047467 73431857 114094934 146863714 171142401 220295571 342284802 440591142 969806939 1654376543 1939613878 2909420817 3308753086 4963129629 5818841634 9926259258 28124401231 56248802462 84373203693 168746407386