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138280038758 = 2391991763821
BaseRepresentation
bin1000000011001000100…
…0011111000101100110
3111012220222021210110222
42000302020133011212
54231144142220013
6143305221044342
712663464636021
oct2006210370546
9435828253428
10138280038758
115370a527874
12229718566b2
1310069446b54
14699b02c1b8
1538e4c28508
hex203221f166

138280038758 has 8 divisors (see below), whose sum is σ = 207425467200. Its totient is φ = 69138216360.

The previous prime is 138280038737. The next prime is 138280038761. The reversal of 138280038758 is 857830082831.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803513 + ... + 960308.

It is an arithmetic number, because the mean of its divisors is an integer number (25928183400).

Almost surely, 2138280038758 is an apocalyptic number.

138280038758 is a deficient number, since it is larger than the sum of its proper divisors (69145428442).

138280038758 is a wasteful number, since it uses less digits than its factorization.

138280038758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803022.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 138280038758 in words is "one hundred thirty-eight billion, two hundred eighty million, thirty-eight thousand, seven hundred fifty-eight".

Divisors: 1 2 39199 78398 1763821 3527642 69140019379 138280038758