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20401134001 = 145114060051
BaseRepresentation
bin10011000000000000…
…001001100110110001
31221122210022222122121
4103000000021212301
5313240142242001
613212215034241
71321362530533
oct230000114661
957583288577
1020401134001
1187199a9a26
123b5436b981
131c01825431
14db76a3853
157e60a56a1
hex4c00099b1

20401134001 has 4 divisors (see below), whose sum is σ = 20415195504. Its totient is φ = 20387072500.

The previous prime is 20401133981. The next prime is 20401134031. The reversal of 20401134001 is 10043110402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20401134001 - 25 = 20401133969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20401134031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7028575 + ... + 7031476.

It is an arithmetic number, because the mean of its divisors is an integer number (5103798876).

Almost surely, 220401134001 is an apocalyptic number.

It is an amenable number.

20401134001 is a deficient number, since it is larger than the sum of its proper divisors (14061503).

20401134001 is a wasteful number, since it uses less digits than its factorization.

20401134001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14061502.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20401134001 its reverse (10043110402), we get a palindrome (30444244403).

The spelling of 20401134001 in words is "twenty billion, four hundred one million, one hundred thirty-four thousand, one".

Divisors: 1 1451 14060051 20401134001