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49969033531 = 67773809503
BaseRepresentation
bin101110100010011000…
…101111000100111011
311202222102112220121121
4232202120233010323
51304314033033111
634542213450111
73416164530334
oct564230570473
9152872486547
1049969033531
111a21224252a
129826640937
134934519b81
1425c058d28b
151476cc9871
hexba262f13b

49969033531 has 4 divisors (see below), whose sum is σ = 50042843712. Its totient is φ = 49895223352.

The previous prime is 49969033523. The next prime is 49969033547. The reversal of 49969033531 is 13533096994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49969033531 - 23 = 49969033523 is a prime.

It is a super-2 number, since 2×499690335312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49969033561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36904075 + ... + 36905428.

It is an arithmetic number, because the mean of its divisors is an integer number (12510710928).

Almost surely, 249969033531 is an apocalyptic number.

49969033531 is a deficient number, since it is larger than the sum of its proper divisors (73810181).

49969033531 is an equidigital number, since it uses as much as digits as its factorization.

49969033531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73810180.

The product of its (nonzero) digits is 2361960, while the sum is 52.

The spelling of 49969033531 in words is "forty-nine billion, nine hundred sixty-nine million, thirty-three thousand, five hundred thirty-one".

Divisors: 1 677 73809503 49969033531