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168237122048 = 29181272
BaseRepresentation
bin1001110010101110110…
…1101100001000000000
3121002020201211022012022
42130223231230020000
510224022200401143
6205142001221012
715104033641202
oct2345355541000
9532221738168
10168237122048
1165392518946
1228732331768
1312b31963938
1481dd8a4772
154599bc6268
hex272bb6c200

168237122048 has 30 divisors (see below), whose sum is σ = 336164200911. Its totient is φ = 84113920512.

The previous prime is 168237121933. The next prime is 168237122093. The reversal of 168237122048 is 840221732861.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 84118561024 + 84118561024 = 290032^2 + 290032^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=290032.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9271961 + ... + 9290087.

Almost surely, 2168237122048 is an apocalyptic number.

It is an amenable number.

168237122048 is a deficient number, since it is larger than the sum of its proper divisors (167927078863).

168237122048 is an frugal number, since it uses more digits than its factorization.

168237122048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36272 (or 18129 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 168237122048 in words is "one hundred sixty-eight billion, two hundred thirty-seven million, one hundred twenty-two thousand, forty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 18127 36254 72508 145016 290032 580064 1160128 2320256 4640512 9281024 328588129 657176258 1314352516 2628705032 5257410064 10514820128 21029640256 42059280512 84118561024 168237122048