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101203020421 = 198959848031
BaseRepresentation
bin101111001000000101…
…0111000101010000101
3100200020000100010000121
41132100022320222011
53124230433123141
6114254135541541
710211622323446
oct1362012705205
9320200303017
10101203020421
1139a13515158
121774482a8b1
13970ab20949
144c80b392cd
152974b701d1
hex17902b8a85

101203020421 has 8 divisors (see below), whose sum is σ = 107726457600. Its totient is φ = 94799279520.

The previous prime is 101203020419. The next prime is 101203020461. The reversal of 101203020421 is 124020302101.

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 101203020421 - 21 = 101203020419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101203020395 and 101203020404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101203020461) 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, 29922325 + ... + 29925706.

It is an arithmetic number, because the mean of its divisors is an integer number (13465807200).

Almost surely, 2101203020421 is an apocalyptic number.

It is an amenable number.

101203020421 is a deficient number, since it is larger than the sum of its proper divisors (6523437179).

101203020421 is an equidigital number, since it uses as much as digits as its factorization.

101203020421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59848139.

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

Adding to 101203020421 its reverse (124020302101), we get a palindrome (225223322522).

The spelling of 101203020421 in words is "one hundred one billion, two hundred three million, twenty thousand, four hundred twenty-one".

Divisors: 1 19 89 1691 59848031 1137112589 5326474759 101203020421