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101200101010 = 2510120010101
BaseRepresentation
bin101111000111111111…
…1101111111010010010
3100200012210211210100021
41132033333233322102
53124224211213020
6114253553214054
710211555444161
oct1361777577222
9320183753307
10101200101010
1139a11900818
121774386132a
13970a33ab98
144c805b93d8
1529747951aa
hex178ffefe92

101200101010 has 8 divisors (see below), whose sum is σ = 182160181836. Its totient is φ = 40480040400.

The previous prime is 101200101007. The next prime is 101200101017. The reversal of 101200101010 is 10101002101.

It can be written as a sum of positive squares in 2 ways, for example, as 94438821481 + 6761279529 = 307309^2 + 82227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 101200100984 and 101200101002.

It is not an unprimeable number, because it can be changed into a prime (101200101017) 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, 5060005041 + ... + 5060005060.

Almost surely, 2101200101010 is an apocalyptic number.

101200101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101200101010 is a deficient number, since it is larger than the sum of its proper divisors (80960080826).

101200101010 is a wasteful number, since it uses less digits than its factorization.

101200101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10120010108.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 101200101010 its reverse (10101002101), we get a palindrome (111301103111).

The spelling of 101200101010 in words is "one hundred one billion, two hundred million, one hundred one thousand, ten".

Divisors: 1 2 5 10 10120010101 20240020202 50600050505 101200101010