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50471290861920 = 2535510323354091
BaseRepresentation
bin10110111100111010000110…
…10111001111100101100000
320121201000020001001122200000
423132131003113033211200
523103410200430040140
6255202105124100000
713426300431562455
oct1336350327174540
9217630201048600
1050471290861920
11150998329a9195
1257b1811234600
132221564a64486
14c66b75a0582c
155c7d1a151a30
hex2de7435cf960

50471290861920 has 576 divisors, whose sum is σ = 181123757627904. Its totient is φ = 13270892359680.

The previous prime is 50471290861909. The next prime is 50471290861921. The reversal of 50471290861920 is 2916809217405.

It is a happy number.

50471290861920 is a `hidden beast` number, since 5 + 0 + 4 + 7 + 12 + 9 + 0 + 8 + 619 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50471290861921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 933054075 + ... + 933108165.

It is an arithmetic number, because the mean of its divisors is an integer number (314450968104).

Almost surely, 250471290861920 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 50471290861920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90561878813952).

50471290861920 is an abundant number, since it is smaller than the sum of its proper divisors (130652466765984).

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

50471290861920 is a wasteful number, since it uses less digits than its factorization.

50471290861920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54457 (or 54437 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 50471290861920 in words is "fifty trillion, four hundred seventy-one billion, two hundred ninety million, eight hundred sixty-one thousand, nine hundred twenty".