Search a number
-
+
49680294980624 = 247113757112371543
BaseRepresentation
bin10110100101111000110000…
…10101011010110000010000
320111220101112011202112111022
423102330120111122300100
523002430221003334444
6253354451253135012
713315166010534410
oct1322743025326020
9214811464675438
1049680294980624
1114914327399110
1256a445a32a468
132194aa737a9b9
14c3a779448640
155b24725a19ee
hex2d2f1855ac10

49680294980624 has 320 divisors, whose sum is σ = 123646120046592. Its totient is φ = 18772470835200.

The previous prime is 49680294980623. The next prime is 49680294980639. The reversal of 49680294980624 is 42608949208694.

It is a Cunningham number, because it is equal to 70484252-1.

It is not an unprimeable number, because it can be changed into a prime (49680294980623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32197209197 + ... + 32197210739.

Almost surely, 249680294980624 is an apocalyptic number.

49680294980624 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49680294980624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61823060023296).

49680294980624 is an abundant number, since it is smaller than the sum of its proper divisors (73965825065968).

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

49680294980624 is a wasteful number, since it uses less digits than its factorization.

49680294980624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414 (or 3408 counting only the distinct ones).

The product of its (nonzero) digits is 429981696, while the sum is 71.

The spelling of 49680294980624 in words is "forty-nine trillion, six hundred eighty billion, two hundred ninety-four million, nine hundred eighty thousand, six hundred twenty-four".