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34344135820 = 2256137397529
BaseRepresentation
bin11111111111000100…
…011110110010001100
310021122111112212102101
4133333010132302030
51030314044321240
623435534004444
72324036223601
oct377704366214
9107574485371
1034344135820
1113624407625
1267a5946724
133314398777
14193b3806a8
15d601ca39a
hex7ff11ec8c

34344135820 has 48 divisors (see below), whose sum is σ = 73334368800. Its totient is φ = 13507038720.

The previous prime is 34344135817. The next prime is 34344135821. The reversal of 34344135820 is 2853144343.

It is a self number, because there is not a number n which added to its sum of digits gives 34344135820.

It is not an unprimeable number, because it can be changed into a prime (34344135821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4557816 + ... + 4565344.

It is an arithmetic number, because the mean of its divisors is an integer number (1527799350).

Almost surely, 234344135820 is an apocalyptic number.

It is an amenable number.

34344135820 is an abundant number, since it is smaller than the sum of its proper divisors (38990232980).

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

34344135820 is a wasteful number, since it uses less digits than its factorization.

34344135820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11338 (or 11336 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 34344135820 in words is "thirty-four billion, three hundred forty-four million, one hundred thirty-five thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 3739 7478 7529 14956 15058 18695 30116 37390 37645 74780 75290 150580 228079 456158 459269 912316 918538 1140395 1837076 2280790 2296345 4561580 4592690 9185380 28150931 56301862 112603724 140754655 281509310 563018620 1717206791 3434413582 6868827164 8586033955 17172067910 34344135820