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101421444143 = 1515631193011
BaseRepresentation
bin101111001110100110…
…0000110110000101111
3100200210020100012001002
41132131030012300233
53130202342203033
6114331541310515
710220214023345
oct1363514066057
9320706305032
10101421444143
113a015841128
12177a5a0543b
139744158a56
144ca1b55995
152988e183e8
hex179d306c2f

101421444143 has 8 divisors (see below), whose sum is σ = 102274532736. Its totient is φ = 100570743000.

The previous prime is 101421444077. The next prime is 101421444197. The reversal of 101421444143 is 341444124101.

It is a happy number.

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 101421444143 - 212 = 101421440047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101421440143) 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, 511493 + ... + 681518.

It is an arithmetic number, because the mean of its divisors is an integer number (12784316592).

Almost surely, 2101421444143 is an apocalyptic number.

101421444143 is a deficient number, since it is larger than the sum of its proper divisors (853088593).

101421444143 is a wasteful number, since it uses less digits than its factorization.

101421444143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193725.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 101421444143 its reverse (341444124101), we get a palindrome (442865568244).

The spelling of 101421444143 in words is "one hundred one billion, four hundred twenty-one million, four hundred forty-four thousand, one hundred forty-three".

Divisors: 1 151 563 85013 1193011 180144661 671665193 101421444143