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42709747088 = 241729236537
BaseRepresentation
bin100111110001101100…
…110000010110010000
311002020111220221200202
4213301230300112100
51144432143401323
631342014034332
73041246601041
oct476154602620
9132214827622
1042709747088
11171275a2148
12833b4a89a8
13404859c6c8
1420d241a8c8
15119e844d28
hex9f1b30590

42709747088 has 30 divisors (see below), whose sum is σ = 87904132146. Its totient is φ = 20098702336.

The previous prime is 42709747049. The next prime is 42709747127. The reversal of 42709747088 is 88074790724.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42709747049) and next prime (42709747127).

It can be written as a sum of positive squares in 3 ways, for example, as 27386278144 + 15323468944 = 165488^2 + 123788^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4613645 + ... + 4622892.

Almost surely, 242709747088 is an apocalyptic number.

It is an amenable number.

42709747088 is an abundant number, since it is smaller than the sum of its proper divisors (45194385058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42709747088 is a wasteful number, since it uses less digits than its factorization.

42709747088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9236579 (or 9236556 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 56.

The spelling of 42709747088 in words is "forty-two billion, seven hundred nine million, seven hundred forty-seven thousand, eighty-eight".

Divisors: 1 2 4 8 16 17 34 68 136 272 289 578 1156 2312 4624 9236537 18473074 36946148 73892296 147784592 157021129 314042258 628084516 1256169032 2512338064 2669359193 5338718386 10677436772 21354873544 42709747088