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34502307840 = 21232571121317
BaseRepresentation
bin100000001000011111…
…110111000000000000
310022001112011211122100
4200020133313000000
51031130042322330
623503344110400
72330666530530
oct401037670000
9108045154570
1034502307840
11136a5720600
12682a905400
13333b099190
1419543954c0
15d6e021060
hex8087f7000

34502307840 has 1872 divisors, whose sum is σ = 171306442944. Its totient is φ = 6228541440.

The previous prime is 34502307839. The next prime is 34502307877. The reversal of 34502307840 is 4870320543.

It is a happy number.

34502307840 is a `hidden beast` number, since 345 + 0 + 2 + 307 + 8 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1872).

It is a super-2 number, since 2×345023078402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 34502307795 and 34502307804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2029547512 + ... + 2029547528.

It is an arithmetic number, because the mean of its divisors is an integer number (91509852).

Almost surely, 234502307840 is an apocalyptic number.

34502307840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34502307840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85653221472).

34502307840 is an abundant number, since it is smaller than the sum of its proper divisors (136804135104).

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

34502307840 is a wasteful number, since it uses less digits than its factorization.

34502307840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 34502307840 in words is "thirty-four billion, five hundred two million, three hundred seven thousand, eight hundred forty".