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2001400141 = 13791948783
BaseRepresentation
bin111011101001010…
…1111000101001101
312011110222122212011
41313102233011031
513044324301031
6530332541221
7100411422556
oct16722570515
95143878764
102001400141
11937813604
1247a321811
1325b847750
1414db4132d
15baa8c6b1
hex774af14d

2001400141 has 8 divisors (see below), whose sum is σ = 2182638080. Its totient is φ = 1824059952.

The previous prime is 2001400129. The next prime is 2001400153. The reversal of 2001400141 is 1410041002.

It is an interprime number because it is at equal distance from previous prime (2001400129) and next prime (2001400153).

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

It is not a de Polignac number, because 2001400141 - 223 = 1993011533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001400111) 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, 973365 + ... + 975418.

It is an arithmetic number, because the mean of its divisors is an integer number (272829760).

Almost surely, 22001400141 is an apocalyptic number.

It is an amenable number.

2001400141 is a deficient number, since it is larger than the sum of its proper divisors (181237939).

2001400141 is a wasteful number, since it uses less digits than its factorization.

2001400141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948875.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2001400141 is about 44737.0108634898. The cubic root of 2001400141 is about 1260.2149924985.

Adding to 2001400141 its reverse (1410041002), we get a palindrome (3411441143).

The spelling of 2001400141 in words is "two billion, one million, four hundred thousand, one hundred forty-one".

Divisors: 1 13 79 1027 1948783 25334179 153953857 2001400141