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5212381755 = 35749641731
BaseRepresentation
bin1001101101010111…
…01010001000111011
3111110021000102120010
410312223222020323
541133332204010
62221115233003
7243111341160
oct46653521073
914407012503
105212381755
112235287619
121015748763
13650b5c879
14376388067
15207909620
hex136aea23b

5212381755 has 16 divisors (see below), whose sum is σ = 9531212544. Its totient is φ = 2382803040.

The previous prime is 5212381723. The next prime is 5212381763. The reversal of 5212381755 is 5571832125.

It is not a de Polignac number, because 5212381755 - 25 = 5212381723 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24820761 + ... + 24820970.

It is an arithmetic number, because the mean of its divisors is an integer number (595700784).

Almost surely, 25212381755 is an apocalyptic number.

5212381755 is a deficient number, since it is larger than the sum of its proper divisors (4318830789).

5212381755 is a wasteful number, since it uses less digits than its factorization.

5212381755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49641746.

The product of its digits is 84000, while the sum is 39.

The square root of 5212381755 is about 72196.8264884268. The cubic root of 5212381755 is about 1733.8521925684.

The spelling of 5212381755 in words is "five billion, two hundred twelve million, three hundred eighty-one thousand, seven hundred fifty-five".

Divisors: 1 3 5 7 15 21 35 105 49641731 148925193 248208655 347492117 744625965 1042476351 1737460585 5212381755