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168945291283036 = 22229736943497729
BaseRepresentation
bin100110011010011110100100…
…000100101100101001011100
3211011012000022211102002121211
4212122132210010230221130
5134120444424032024121
61355152221222034204
750404615545501562
oct4632364404545134
9734160284362554
10168945291283036
1149916328597634
1216b46890278964
13733661b420a38
142da0dd23c3a32
15147e9c4addce1
hex99a7a412ca5c

168945291283036 has 24 divisors (see below), whose sum is σ = 295791573712320. Its totient is φ = 84433415227392.

The previous prime is 168945291283009. The next prime is 168945291283051. The reversal of 168945291283036 is 630382192549861.

It is a super-2 number, since 2×1689452912830362 (a number of 29 digits) contains 22 as substring.

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, 339183420 + ... + 339681148.

It is an arithmetic number, because the mean of its divisors is an integer number (12324648904680).

Almost surely, 2168945291283036 is an apocalyptic number.

It is an amenable number.

168945291283036 is a deficient number, since it is larger than the sum of its proper divisors (126846282429284).

168945291283036 is a wasteful number, since it uses less digits than its factorization.

168945291283036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536973 (or 536971 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 67.

The spelling of 168945291283036 in words is "one hundred sixty-eight trillion, nine hundred forty-five billion, two hundred ninety-one million, two hundred eighty-three thousand, thirty-six".

Divisors: 1 2 4 2297 4594 9188 36943 73886 147772 497729 995458 1990916 84858071 169716142 339432284 1143283513 2286567026 4573134052 18387602447 36775204894 73550409788 42236322820759 84472645641518 168945291283036