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168214534220502 = 2327111722571316301
BaseRepresentation
bin100110001111110101111111…
…100011101110101011010110
3211001121011010010002000221200
4212033311333203232223112
5134022011331230024002
61353432405030053330
750301045654114030
oct4617657743565326
9731534103060850
10168214534220502
11496644242506a0
1216a4912b1aa246
1372b2740ac0713
142d778ac2c4c50
15146a9a5717b1c
hex98fd7f8eead6

168214534220502 has 192 divisors, whose sum is σ = 481149816795648. Its totient is φ = 41120012160000.

The previous prime is 168214534220489. The next prime is 168214534220533. The reversal of 168214534220502 is 205022435412861.

168214534220502 is a `hidden beast` number, since 1 + 6 + 8 + 214 + 5 + 3 + 422 + 0 + 5 + 0 + 2 = 666.

It is a super-2 number, since 2×1682145342205022 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 531659752 + ... + 531976052.

It is an arithmetic number, because the mean of its divisors is an integer number (2505988629144).

Almost surely, 2168214534220502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168214534220502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240574908397824).

168214534220502 is an abundant number, since it is smaller than the sum of its proper divisors (312935282575146).

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

168214534220502 is a wasteful number, since it uses less digits than its factorization.

168214534220502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338915 (or 338912 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 168214534220502 in words is "one hundred sixty-eight trillion, two hundred fourteen billion, five hundred thirty-four million, two hundred twenty thousand, five hundred two".