Base | Representation |
---|---|
bin | 101101101000101000… |
… | …011100010101110000 |
3 | 11200110220021121001020 |
4 | 231220220130111300 |
5 | 1300323004310220 |
6 | 34302121335440 |
7 | 3353160513255 |
oct | 555050342560 |
9 | 150426247036 |
10 | 49000072560 |
11 | 1986529983a |
12 | 95b6037580 |
13 | 480b85989a |
14 | 252ba0142c |
15 | 141bbca040 |
hex | b68a1c570 |
49000072560 has 80 divisors (see below), whose sum is σ = 153730410624. Its totient is φ = 12909250816.
The previous prime is 49000072559. The next prime is 49000072567. The reversal of 49000072560 is 6527000094.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×490000725602 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49000072567) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210002 + ... + 1249841.
Almost surely, 249000072560 is an apocalyptic number.
49000072560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49000072560 is an abundant number, since it is smaller than the sum of its proper divisors (104730338064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49000072560 is a wasteful number, since it uses less digits than its factorization.
49000072560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2459942 (or 2459936 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 33.
The spelling of 49000072560 in words is "forty-nine billion, seventy-two thousand, five hundred sixty".
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