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138733258141 = 283490223527
BaseRepresentation
bin1000000100110100100…
…1011000010110011101
3111021002120002201121001
42001031021120112131
54233111203230031
6143422211110301
713010640144232
oct2011511302635
9437076081531
10138733258141
1153922342245
1222a795a2391
131010c2cccba
146a012c7789
15391e900861
hex204d25859d

138733258141 has 4 divisors (see below), whose sum is σ = 139223481952. Its totient is φ = 138243034332.

The previous prime is 138733258091. The next prime is 138733258171. The reversal of 138733258141 is 141852337831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 138733258141 - 215 = 138733225373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138733258091 and 138733258100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138733258171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245111481 + ... + 245112046.

It is an arithmetic number, because the mean of its divisors is an integer number (34805870488).

Almost surely, 2138733258141 is an apocalyptic number.

It is an amenable number.

138733258141 is a deficient number, since it is larger than the sum of its proper divisors (490223811).

138733258141 is an equidigital number, since it uses as much as digits as its factorization.

138733258141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490223810.

The product of its digits is 483840, while the sum is 46.

The spelling of 138733258141 in words is "one hundred thirty-eight billion, seven hundred thirty-three million, two hundred fifty-eight thousand, one hundred forty-one".

Divisors: 1 283 490223527 138733258141