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49978925010 = 2325779331627
BaseRepresentation
bin101110100010111110…
…011101111111010010
311210000010011110011200
4232202332131333102
51304324101100020
634543205452030
73416344565430
oct564276357722
9153003143150
1049978925010
111a217889103
129829a11016
1349365a1211
1425c1a05d50
151477ad0590
hexba2f9dfd2

49978925010 has 48 divisors (see below), whose sum is σ = 148508807616. Its totient is φ = 11423754144.

The previous prime is 49978924993. The next prime is 49978925033. The reversal of 49978925010 is 1052987994.

49978925010 is a `hidden beast` number, since 49 + 9 + 7 + 8 + 92 + 501 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39665184 + ... + 39666443.

It is an arithmetic number, because the mean of its divisors is an integer number (3093933492).

Almost surely, 249978925010 is an apocalyptic number.

49978925010 is an abundant number, since it is smaller than the sum of its proper divisors (98529882606).

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

49978925010 is a wasteful number, since it uses less digits than its factorization.

49978925010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79331647 (or 79331644 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 49978925010 in words is "forty-nine billion, nine hundred seventy-eight million, nine hundred twenty-five thousand, ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 79331627 158663254 237994881 396658135 475989762 555321389 713984643 793316270 1110642778 1189974405 1427969286 1665964167 2379948810 2776606945 3331928334 3569923215 4997892501 5553213890 7139846430 8329820835 9995785002 16659641670 24989462505 49978925010