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168173053611716 = 2242043263402929
BaseRepresentation
bin100110001111001111010111…
…000111110000111011000100
3211001110012001020222210000202
4212033033113013300323010
5134020321403211033331
61353401345000430032
750265050020550366
oct4617172707607304
9731405036883022
10168173053611716
114964887855732a
1216a41093478318
1372ab8600781aa
142d75895220d36
151469878c66ecb
hex98f3d71f0ec4

168173053611716 has 6 divisors (see below), whose sum is σ = 294302843820510. Its totient is φ = 84086526805856.

The previous prime is 168173053611707. The next prime is 168173053611721. The reversal of 168173053611716 is 617116350371861.

It can be written as a sum of positive squares in only one way, i.e., 166834163944900 + 1338889666816 = 12916430^2 + 1157104^2 .

It is a super-2 number, since 2×1681730536117162 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21021631701461 + ... + 21021631701468.

It is an arithmetic number, because the mean of its divisors is an integer number (49050473970085).

Almost surely, 2168173053611716 is an apocalyptic number.

It is an amenable number.

168173053611716 is a deficient number, since it is larger than the sum of its proper divisors (126129790208794).

168173053611716 is a wasteful number, since it uses less digits than its factorization.

168173053611716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42043263402933 (or 42043263402931 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 168173053611716 in words is "one hundred sixty-eight trillion, one hundred seventy-three billion, fifty-three million, six hundred eleven thousand, seven hundred sixteen".

Divisors: 1 2 4 42043263402929 84086526805858 168173053611716