Search a number
-
+
102100102011001 = 191534555507911
BaseRepresentation
bin10111001101110000001000…
…010011111101100001111001
3111101111200012122202102021201
4113031300020103331201321
5101340302002103323001
61001052050033134201
730335326464535063
oct2715601023754171
9441450178672251
10102100102011001
112a594456928476
12b54b8256ba361
1344c7cc9385993
141b2d9580b8733
15bc0cd0937501
hex5cdc084fd879

102100102011001 has 4 divisors (see below), whose sum is σ = 102634657519104. Its totient is φ = 101565546502900.

The previous prime is 102100102010923. The next prime is 102100102011031. The reversal of 102100102011001 is 100110201001201.

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 102100102011001 - 27 = 102100102010873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100102011031) 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, 267277753765 + ... + 267277754146.

It is an arithmetic number, because the mean of its divisors is an integer number (25658664379776).

Almost surely, 2102100102011001 is an apocalyptic number.

It is an amenable number.

102100102011001 is a deficient number, since it is larger than the sum of its proper divisors (534555508103).

102100102011001 is an equidigital number, since it uses as much as digits as its factorization.

102100102011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534555508102.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102100102011001 its reverse (100110201001201), we get a palindrome (202210303012202).

The spelling of 102100102011001 in words is "one hundred two trillion, one hundred billion, one hundred two million, eleven thousand, one".

Divisors: 1 191 534555507911 102100102011001