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34265780640 = 253257131092399
BaseRepresentation
bin11111111010011001…
…100101000110100000
310021110001010000022200
4133322121211012200
51030134014440030
623424054333200
72322065221050
oct377231450640
9107401100280
1034265780640
111359415a183
12678365a200
133301092c60
141930bc5560
15d5839dd60
hex7fa6651a0

34265780640 has 576 divisors, whose sum is σ = 145297152000. Its totient is φ = 7160389632.

The previous prime is 34265780629. The next prime is 34265780671. The reversal of 34265780640 is 4608756243.

34265780640 is a `hidden beast` number, since 34 + 2 + 6 + 578 + 0 + 6 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14282161 + ... + 14284559.

It is an arithmetic number, because the mean of its divisors is an integer number (252252000).

Almost surely, 234265780640 is an apocalyptic number.

34265780640 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 34265780640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72648576000).

34265780640 is an abundant number, since it is smaller than the sum of its proper divisors (111031371360).

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

34265780640 is a wasteful number, since it uses less digits than its factorization.

34265780640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549 (or 2538 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 34265780640 in words is "thirty-four billion, two hundred sixty-five million, seven hundred eighty thousand, six hundred forty".