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49989657308 = 2294793131839
BaseRepresentation
bin101110100011100111…
…011010001011011100
311210000212100201010012
4232203213122023130
51304334323013213
634544231502352
73416535035063
oct564347321334
9153025321105
1049989657308
111a222949478
1298315279b8
13493888b1a6
1425c31db1da
151478a004a8
hexba39da2dc

49989657308 has 12 divisors (see below), whose sum is σ = 87483486720. Its totient is φ = 24994375392.

The previous prime is 49989657251. The next prime is 49989657359. The reversal of 49989657308 is 80375698994.

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, 313253 + ... + 445091.

It is an arithmetic number, because the mean of its divisors is an integer number (7290290560).

Almost surely, 249989657308 is an apocalyptic number.

It is an amenable number.

49989657308 is a deficient number, since it is larger than the sum of its proper divisors (37493829412).

49989657308 is a wasteful number, since it uses less digits than its factorization.

49989657308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226636 (or 226634 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 68.

The spelling of 49989657308 in words is "forty-nine billion, nine hundred eighty-nine million, six hundred fifty-seven thousand, three hundred eight".

Divisors: 1 2 4 94793 131839 189586 263678 379172 527356 12497414327 24994828654 49989657308