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42751775715 = 3511541478931
BaseRepresentation
bin100111110100001101…
…000101001111100011
311002100110000020010120
4213310031011033203
51200023423310330
631350114531323
73042300045345
oct476415051743
9132313006116
1042751775715
1117149298950
128351596b43
1340541c670c
1420d7c3b295
1511a3397c10
hex9f43453e3

42751775715 has 32 divisors (see below), whose sum is σ = 74759369472. Its totient is φ = 20689776000.

The previous prime is 42751775713. The next prime is 42751775747. The reversal of 42751775715 is 51757715724.

It is a happy number.

It is not a de Polignac number, because 42751775715 - 21 = 42751775713 is a prime.

It is a super-2 number, since 2×427517757152 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42751775713) 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 31 ways as a sum of consecutive naturals, for example, 150201 + ... + 328730.

It is an arithmetic number, because the mean of its divisors is an integer number (2336230296).

Almost surely, 242751775715 is an apocalyptic number.

42751775715 is a deficient number, since it is larger than the sum of its proper divisors (32007593757).

42751775715 is a wasteful number, since it uses less digits than its factorization.

42751775715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479491.

The product of its digits is 2401000, while the sum is 51.

The spelling of 42751775715 in words is "forty-two billion, seven hundred fifty-one million, seven hundred seventy-five thousand, seven hundred fifteen".

Divisors: 1 3 5 11 15 33 55 165 541 1623 2705 5951 8115 17853 29755 89265 478931 1436793 2394655 5268241 7183965 15804723 26341205 79023615 259101671 777305013 1295508355 2850118381 3886525065 8550355143 14250591905 42751775715