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101023101133 = 401251927933
BaseRepresentation
bin101111000010101110…
…0100011000011001101
3100122202110210021011021
41132011130203003031
53123343403214013
6114224231354141
710204306122433
oct1360534430315
9318673707137
10101023101133
11399309a8129
12176b4522951
1396ac777726
144c64ca2d53
152963e80a8d
hex17857230cd

101023101133 has 4 divisors (see below), whose sum is σ = 101275029468. Its totient is φ = 100771172800.

The previous prime is 101023101131. The next prime is 101023101149. The reversal of 101023101133 is 331101320101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331101320101 = 971340990031.

It can be written as a sum of positive squares in 2 ways, for example, as 46723848649 + 54299252484 = 216157^2 + 233022^2 .

It is a cyclic number.

It is not a de Polignac number, because 101023101133 - 21 = 101023101131 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 (101023101131) 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, 125963566 + ... + 125964367.

It is an arithmetic number, because the mean of its divisors is an integer number (25318757367).

Almost surely, 2101023101133 is an apocalyptic number.

It is an amenable number.

101023101133 is a deficient number, since it is larger than the sum of its proper divisors (251928335).

101023101133 is an equidigital number, since it uses as much as digits as its factorization.

101023101133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251928334.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 101023101133 its reverse (331101320101), we get a palindrome (432124421234).

The spelling of 101023101133 in words is "one hundred one billion, twenty-three million, one hundred one thousand, one hundred thirty-three".

Divisors: 1 401 251927933 101023101133