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439968753157 = 11312730657707
BaseRepresentation
bin1100110011100000010…
…11100110011000000101
31120001122011211101212211
412121300023212120011
524202024000100112
6534041401143421
743533556461103
oct6316013463005
91501564741784
10439968753157
1115a6539891aa
127132878ab71
13326480a023b
141741a558c73
15b6a07ac0a7
hex66702e6605

439968753157 has 8 divisors (see below), whose sum is σ = 447357275136. Its totient is φ = 432641547072.

The previous prime is 439968753127. The next prime is 439968753163. The reversal of 439968753157 is 751357869934.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-439968753157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 439968753092 and 439968753101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439968753127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15314503 + ... + 15343204.

It is an arithmetic number, because the mean of its divisors is an integer number (55919659392).

Almost surely, 2439968753157 is an apocalyptic number.

It is an amenable number.

439968753157 is a deficient number, since it is larger than the sum of its proper divisors (7388521979).

439968753157 is a wasteful number, since it uses less digits than its factorization.

439968753157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30657947.

The product of its digits is 171460800, while the sum is 67.

The spelling of 439968753157 in words is "four hundred thirty-nine billion, nine hundred sixty-eight million, seven hundred fifty-three thousand, one hundred fifty-seven".

Divisors: 1 113 127 14351 30657707 3464320891 3893528789 439968753157