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216172160672152 = 231931061211319323
BaseRepresentation
bin110001001001101110000000…
…110110001110000110011000
31001100101212010120002011101211
4301021232000312032012120
5211313231041113002102
62043432041502152504
763350631443032216
oct6111560066160630
91040355116064354
10216172160672152
116297410a114953
12202b3743282734
139380c41242ca9
143b54b07539cb6
1519ed2023147d7
hexc49b80d8e198

216172160672152 has 32 divisors (see below), whose sum is σ = 407427067446480. Its totient is φ = 107524954091520.

The previous prime is 216172160672107. The next prime is 216172160672183. The reversal of 216172160672152 is 251276061271612.

It is a super-2 number, since 2×2161721606721522 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 216172160672096 and 216172160672105.

It is a congruent number.

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, 163191163 + ... + 164510485.

Almost surely, 2216172160672152 is an apocalyptic number.

It is an amenable number.

216172160672152 is a deficient number, since it is larger than the sum of its proper divisors (191254906774328).

216172160672152 is a wasteful number, since it uses less digits than its factorization.

216172160672152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425643 (or 1425639 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 216172160672152 in words is "two hundred sixteen trillion, one hundred seventy-two billion, one hundred sixty million, six hundred seventy-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 193 386 772 1544 106121 212242 424484 848968 1319323 2638646 5277292 10554584 20481353 40962706 81925412 163850824 254629339 509258678 1018517356 2037034712 140007876083 280015752166 560031504332 1120063008664 27021520084019 54043040168038 108086080336076 216172160672152