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49197746560 = 27576871479
BaseRepresentation
bin101101110100011010…
…100000100110000000
311200222200020110210111
4231310122200212000
51301224110342220
634333502241104
73361110642304
oct556432404600
9150880213714
1049197746560
1119956933186
129650286194
1348407ab251
142549d79d04
15142e22515a
hexb746a0980

49197746560 has 32 divisors (see below), whose sum is σ = 117613364400. Its totient is φ = 19679098368.

The previous prime is 49197746531. The next prime is 49197746561. The reversal of 49197746560 is 6564779194.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 49197746495 and 49197746504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49197746561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38435100 + ... + 38436379.

Almost surely, 249197746560 is an apocalyptic number.

49197746560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49197746560 is an abundant number, since it is smaller than the sum of its proper divisors (68415617840).

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

49197746560 is an equidigital number, since it uses as much as digits as its factorization.

49197746560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76871498 (or 76871486 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 49197746560 in words is "forty-nine billion, one hundred ninety-seven million, seven hundred forty-six thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 76871479 153742958 307485916 384357395 614971832 768714790 1229943664 1537429580 2459887328 3074859160 4919774656 6149718320 9839549312 12299436640 24598873280 49197746560