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29203800961 = 97301070113
BaseRepresentation
bin11011001100101011…
…101010001110000001
32210101021002210121211
4123030223222032001
5434302133112321
621225510450121
72052461132566
oct331453521601
983337083554
1029203800961
11114268699a5
1257b0363941
1329a54432ca
1415b07cc86d
15b5dca30e1
hex6ccaea381

29203800961 has 4 divisors (see below), whose sum is σ = 29504871172. Its totient is φ = 28902730752.

The previous prime is 29203800953. The next prime is 29203800991. The reversal of 29203800961 is 16900830292.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7864142400 + 21339658561 = 88680^2 + 146081^2 .

It is a cyclic number.

It is not a de Polignac number, because 29203800961 - 23 = 29203800953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29203800991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150534960 + ... + 150535153.

It is an arithmetic number, because the mean of its divisors is an integer number (7376217793).

Almost surely, 229203800961 is an apocalyptic number.

It is an amenable number.

29203800961 is a deficient number, since it is larger than the sum of its proper divisors (301070211).

29203800961 is an equidigital number, since it uses as much as digits as its factorization.

29203800961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301070210.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 29203800961 in words is "twenty-nine billion, two hundred three million, eight hundred thousand, nine hundred sixty-one".

Divisors: 1 97 301070113 29203800961