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138610341500 = 22531716307099
BaseRepresentation
bin1000000100010111010…
…0011111011001111100
3111020202222210220122212
42001011310133121330
54232333221412000
6143402100355552
713004615314541
oct2010564373174
9436688726585
10138610341500
1153869a19144
1222a443a5bb8
13100bc9c4667
1469ccc4cbc8
153913c20c35
hex2045d1f67c

138610341500 has 48 divisors (see below), whose sum is σ = 320532357600. Its totient is φ = 52182713600.

The previous prime is 138610341479. The next prime is 138610341503. The reversal of 138610341500 is 5143016831.

138610341500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138610341503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8145050 + ... + 8162049.

It is an arithmetic number, because the mean of its divisors is an integer number (6677757450).

Almost surely, 2138610341500 is an apocalyptic number.

138610341500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138610341500 is an abundant number, since it is smaller than the sum of its proper divisors (181922016100).

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

138610341500 is a wasteful number, since it uses less digits than its factorization.

138610341500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16307135 (or 16307123 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 138610341500 in words is "one hundred thirty-eight billion, six hundred ten million, three hundred forty-one thousand, five hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 125 170 250 340 425 500 850 1700 2125 4250 8500 16307099 32614198 65228396 81535495 163070990 277220683 326141980 407677475 554441366 815354950 1108882732 1386103415 1630709900 2038387375 2772206830 4076774750 5544413660 6930517075 8153549500 13861034150 27722068300 34652585375 69305170750 138610341500