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50981213427 = 385843197963
BaseRepresentation
bin101111011110101101…
…111001010011110011
311212120222010222101220
4233132231321103303
51313402142312202
635230452200123
73453235110204
oct573655712363
9155528128356
1050981213427
111a691625241
129a69609043
134a6612cba1
142678b8b5ab
1514d5ab4abc
hexbdeb794f3

50981213427 has 8 divisors (see below), whose sum is σ = 67976086464. Its totient is φ = 33986908008.

The previous prime is 50981213407. The next prime is 50981213501. The reversal of 50981213427 is 72431218905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50981213427 - 26 = 50981213363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50981213407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158548 + ... + 356510.

It is an arithmetic number, because the mean of its divisors is an integer number (8497010808).

Almost surely, 250981213427 is an apocalyptic number.

50981213427 is a deficient number, since it is larger than the sum of its proper divisors (16994873037).

50981213427 is a wasteful number, since it uses less digits than its factorization.

50981213427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283809.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 50981213427 in words is "fifty billion, nine hundred eighty-one million, two hundred thirteen thousand, four hundred twenty-seven".

Divisors: 1 3 85843 197963 257529 593889 16993737809 50981213427