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168378383048 = 2321047297881
BaseRepresentation
bin1001110011010000100…
…0100011101011001000
3121002121120122002212012
42130310020203223020
510224314331224143
6205204005035052
715110400432641
oct2346410435310
9532546562765
10168378383048
1165455231377
12287716b5a88
1312b54cc2c25
1482145566c8
1545a72cb418
hex2734223ac8

168378383048 has 8 divisors (see below), whose sum is σ = 315709468230. Its totient is φ = 84189191520.

The previous prime is 168378383009. The next prime is 168378383051. The reversal of 168378383048 is 840383873861.

It can be written as a sum of positive squares in only one way, i.e., 144459286084 + 23919096964 = 380078^2 + 154658^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10523648933 + ... + 10523648948.

Almost surely, 2168378383048 is an apocalyptic number.

It is an amenable number.

168378383048 is a deficient number, since it is larger than the sum of its proper divisors (147331085182).

168378383048 is a wasteful number, since it uses less digits than its factorization.

168378383048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21047297887 (or 21047297883 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 168378383048 in words is "one hundred sixty-eight billion, three hundred seventy-eight million, three hundred eighty-three thousand, forty-eight".

Divisors: 1 2 4 8 21047297881 42094595762 84189191524 168378383048