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102101421041 = 539231893467
BaseRepresentation
bin101111100010110111…
…0000000101111110001
3100202112121211120222122
41133011232000233301
53133100430433131
6114523231444025
710243111521314
oct1370556005761
9322477746878
10102101421041
113a334654904
1217955686615
139821ca7349
144d2819a97b
1529c8982d7b
hex17c5b80bf1

102101421041 has 4 divisors (see below), whose sum is σ = 102103368432. Its totient is φ = 102099473652.

The previous prime is 102101421017. The next prime is 102101421077. The reversal of 102101421041 is 140124101201.

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 a de Polignac number, because none of the positive numbers 2k-102101421041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102101421641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892811 + ... + 1000656.

It is an arithmetic number, because the mean of its divisors is an integer number (25525842108).

Almost surely, 2102101421041 is an apocalyptic number.

It is an amenable number.

102101421041 is a deficient number, since it is larger than the sum of its proper divisors (1947391).

102101421041 is an equidigital number, since it uses as much as digits as its factorization.

102101421041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947390.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102101421041 its reverse (140124101201), we get a palindrome (242225522242).

The spelling of 102101421041 in words is "one hundred two billion, one hundred one million, four hundred twenty-one thousand, forty-one".

Divisors: 1 53923 1893467 102101421041