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49953260928 = 2731131151209
BaseRepresentation
bin101110100001011100…
…100100010110000000
311202221022212120200010
4232201130210112000
51304301013322203
634540451424520
73415613466144
oct564134442600
9152838776603
1049953260928
111a20434a31a
1298212b5140
13493118697c
1425bc445224
151475711303
hexba1724580

49953260928 has 64 divisors (see below), whose sum is σ = 133862698800. Its totient is φ = 16503717888.

The previous prime is 49953260891. The next prime is 49953260977. The reversal of 49953260928 is 82906235994.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-4 number, since 4×499532609284 (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532213 + ... + 618996.

Almost surely, 249953260928 is an apocalyptic number.

49953260928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49953260928 is an abundant number, since it is smaller than the sum of its proper divisors (83909437872).

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

49953260928 is a wasteful number, since it uses less digits than its factorization.

49953260928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151339 (or 1151327 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 49953260928 in words is "forty-nine billion, nine hundred fifty-three million, two hundred sixty thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 113 128 192 226 339 384 452 678 904 1356 1808 2712 3616 5424 7232 10848 14464 21696 43392 1151209 2302418 3453627 4604836 6907254 9209672 13814508 18419344 27629016 36838688 55258032 73677376 110516064 130086617 147354752 221032128 260173234 390259851 442064256 520346468 780519702 1040692936 1561039404 2081385872 3122078808 4162771744 6244157616 8325543488 12488315232 16651086976 24976630464 49953260928