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138098016 = 2532768501
BaseRepresentation
bin10000011101100…
…11010101100000
3100121212002212100
420032303111200
5240323114031
621411530400
73264546060
oct1016632540
9317762770
10138098016
1170a530a1
123a2b9a00
13227c2704
14144ab3a0
15c1ccde6
hex83b3560

138098016 has 72 divisors (see below), whose sum is σ = 448825104. Its totient is φ = 39456000.

The previous prime is 138098011. The next prime is 138098017. The reversal of 138098016 is 610890831.

138098016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138098011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32235 + ... + 36266.

It is an arithmetic number, because the mean of its divisors is an integer number (6233682).

Almost surely, 2138098016 is an apocalyptic number.

138098016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

138098016 is an abundant number, since it is smaller than the sum of its proper divisors (310727088).

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

138098016 is a wasteful number, since it uses less digits than its factorization.

138098016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68524 (or 68513 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 138098016 is about 11751.5112219663. The cubic root of 138098016 is about 516.8872422503.

The spelling of 138098016 in words is "one hundred thirty-eight million, ninety-eight thousand, sixteen".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 68501 137002 205503 274004 411006 479507 548008 616509 822012 959014 1096016 1233018 1438521 1644024 1918028 2192032 2466036 2877042 3288048 3836056 4315563 4932072 5754084 6576096 7672112 8631126 9864144 11508168 15344224 17262252 19728288 23016336 34524504 46032672 69049008 138098016