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149012221012180 = 225201122071678717
BaseRepresentation
bin100001111000011010011100…
…100000000010100011010100
3201112121102120220001010000021
4201320122130200002203110
5124012404012034342210
61244531134100154524
743246530514661431
oct4170323440024324
9645542526033007
10149012221012180
1143530801025739
1214867697398a44
13651ba3b468236
1428b23310c2b88
15123623aa43bda
hex87869c8028d4

149012221012180 has 48 divisors (see below), whose sum is σ = 313223316005376. Its totient is φ = 59548219735680.

The previous prime is 149012221012169. The next prime is 149012221012181. The reversal of 149012221012180 is 81210122210941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149012221012181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87926182 + ... + 89604898.

It is an arithmetic number, because the mean of its divisors is an integer number (6525485750112).

Almost surely, 2149012221012180 is an apocalyptic number.

149012221012180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149012221012180 is an abundant number, since it is smaller than the sum of its proper divisors (164211094993196).

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

149012221012180 is a wasteful number, since it uses less digits than its factorization.

149012221012180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682944 (or 1682942 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The spelling of 149012221012180 in words is "one hundred forty-nine trillion, twelve billion, two hundred twenty-one million, twelve thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 2011 2207 4022 4414 8044 8828 10055 11035 20110 22070 40220 44140 1678717 3357434 4438277 6714868 8393585 8876554 16787170 17753108 22191385 33574340 44382770 88765540 3375899887 3704928419 6751799774 7409856838 13503599548 14819713676 16879499435 18524642095 33758998870 37049284190 67517997740 74098568380 7450611050609 14901222101218 29802444202436 37253055253045 74506110506090 149012221012180