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138548220983 = 4724421120709
BaseRepresentation
bin1000000100001000011…
…1100001010000110111
3111020121122220212022222
42001002013201100313
54232221321032413
6143352001112555
713003232306264
oct2010207412067
9436548825288
10138548220983
115383794a077
1222a2762875b
13100acb84463
1469c48bc26b
15390d54eb08
hex20421e1437

138548220983 has 8 divisors (see below), whose sum is σ = 141503021760. Its totient is φ = 135593710560.

The previous prime is 138548220973. The next prime is 138548220997. The reversal of 138548220983 is 389022845831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138548220983 - 210 = 138548219959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138548220973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087433 + ... + 1208141.

It is an arithmetic number, because the mean of its divisors is an integer number (17687877720).

Almost surely, 2138548220983 is an apocalyptic number.

138548220983 is a deficient number, since it is larger than the sum of its proper divisors (2954800777).

138548220983 is a wasteful number, since it uses less digits than its factorization.

138548220983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145177.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 138548220983 in words is "one hundred thirty-eight billion, five hundred forty-eight million, two hundred twenty thousand, nine hundred eighty-three".

Divisors: 1 47 24421 120709 1147787 5673323 2947834489 138548220983