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49069787904 = 2833171931709
BaseRepresentation
bin101101101100110010…
…011000101100000000
311200122202110111112000
4231230302120230000
51300443331203104
634313051504000
73354665213064
oct555462305400
9150582414460
1049069787904
11198a0685a25
129615458000
134820128977
142536d8baa4
151422d9b639
hexb6cc98b00

49069787904 has 576 divisors, whose sum is σ = 167182848000. Its totient is φ = 14093844480.

The previous prime is 49069787903. The next prime is 49069787909. The reversal of 49069787904 is 40978796094.

49069787904 is a `hidden beast` number, since 490 + 6 + 9 + 78 + 79 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (49069787903) 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, 69209502 + ... + 69210210.

It is an arithmetic number, because the mean of its divisors is an integer number (290248000).

Almost surely, 249069787904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49069787904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83591424000).

49069787904 is an abundant number, since it is smaller than the sum of its proper divisors (118113060096).

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

49069787904 is a wasteful number, since it uses less digits than its factorization.

49069787904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 49069787904 in words is "forty-nine billion, sixty-nine million, seven hundred eighty-seven thousand, nine hundred four".