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20344057401 = 316740606901
BaseRepresentation
bin10010111100100110…
…011010111000111001
31221111210221012021110
4102330212122320321
5313131034314101
613202415430533
71320100430463
oct227446327071
957453835243
1020344057401
11869a765488
123b39225449
131bc2a5ccb5
14dadc87133
157e107dcd6
hex4bc99ae39

20344057401 has 8 divisors (see below), whose sum is σ = 27287838144. Its totient is φ = 13481490800.

The previous prime is 20344057337. The next prime is 20344057423. The reversal of 20344057401 is 10475044302.

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 20344057401 - 26 = 20344057337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20344057441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20302950 + ... + 20303951.

It is an arithmetic number, because the mean of its divisors is an integer number (3410979768).

Almost surely, 220344057401 is an apocalyptic number.

It is an amenable number.

20344057401 is a deficient number, since it is larger than the sum of its proper divisors (6943780743).

20344057401 is a wasteful number, since it uses less digits than its factorization.

20344057401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40607071.

The product of its (nonzero) digits is 13440, while the sum is 30.

The spelling of 20344057401 in words is "twenty billion, three hundred forty-four million, fifty-seven thousand, four hundred one".

Divisors: 1 3 167 501 40606901 121820703 6781352467 20344057401