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20434101331 = 717411676713
BaseRepresentation
bin10011000001111101…
…111010010001010011
31221202002100220022211
4103001331322101103
5313322112220311
613215353412551
71322242665310
oct230175722123
957662326284
1020434101331
118736576856
123b6340a157
131c085c8c27
14dbbc05d07
157e8e18821
hex4c1f7a453

20434101331 has 8 divisors (see below), whose sum is σ = 23366686304. Its totient is φ = 17504873280.

The previous prime is 20434101277. The next prime is 20434101341. The reversal of 20434101331 is 13310143402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20434101331 - 27 = 20434101203 is a prime.

It is a super-2 number, since 2×204341013312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20434101341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826170 + ... + 850543.

It is an arithmetic number, because the mean of its divisors is an integer number (2920835788).

Almost surely, 220434101331 is an apocalyptic number.

20434101331 is a deficient number, since it is larger than the sum of its proper divisors (2932584973).

20434101331 is a wasteful number, since it uses less digits than its factorization.

20434101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678461.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20434101331 its reverse (13310143402), we get a palindrome (33744244733).

The spelling of 20434101331 in words is "twenty billion, four hundred thirty-four million, one hundred one thousand, three hundred thirty-one".

Divisors: 1 7 1741 12187 1676713 11736991 2919157333 20434101331