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20775432039 = 365310605121
BaseRepresentation
bin10011010110010011…
…111110111101100111
31222121212122022000220
4103112103332331213
5320022002311124
613313305335423
71333556154465
oct232623767547
958555568026
1020775432039
1188a120a64a
124039797573
131c6123816b
141011297835
15818d8d879
hex4d64fef67

20775432039 has 8 divisors (see below), whose sum is σ = 27742999152. Its totient is φ = 13829076480.

The previous prime is 20775432023. The next prime is 20775432059. The reversal of 20775432039 is 93023457702.

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

It is not a de Polignac number, because 20775432039 - 24 = 20775432023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20775432059) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5300602 + ... + 5304519.

It is an arithmetic number, because the mean of its divisors is an integer number (3467874894).

Almost surely, 220775432039 is an apocalyptic number.

20775432039 is a deficient number, since it is larger than the sum of its proper divisors (6967567113).

20775432039 is a wasteful number, since it uses less digits than its factorization.

20775432039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10605777.

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 20775432039 in words is "twenty billion, seven hundred seventy-five million, four hundred thirty-two thousand, thirty-nine".

Divisors: 1 3 653 1959 10605121 31815363 6925144013 20775432039