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101020101013 = 13345980929
BaseRepresentation
bin101111000010101000…
…1000110100110010101
3100122202021010211202201
41132011101012212111
53123342121213023
6114224043204501
710204241455636
oct1360521064625
9318667124681
10101020101013
113992a239097
12176b3516731
1396abc67000
144c6472188d
152963a8bbad
hex1785446995

101020101013 has 8 divisors (see below), whose sum is σ = 109434613400. Its totient is φ = 93249321984.

The previous prime is 101020100981. The next prime is 101020101031. The reversal of 101020101013 is 310101020101.

It can be written as a sum of positive squares in 4 ways, for example, as 48513586564 + 52506514449 = 220258^2 + 229143^2 .

It is not a de Polignac number, because 101020101013 - 25 = 101020100981 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 (101020101043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22988268 + ... + 22992661.

It is an arithmetic number, because the mean of its divisors is an integer number (13679326675).

Almost surely, 2101020101013 is an apocalyptic number.

101020101013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

101020101013 is a deficient number, since it is larger than the sum of its proper divisors (8414512387).

101020101013 is an frugal number, since it uses more digits than its factorization.

101020101013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45980968 (or 45980942 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 101020101013 its reverse (310101020101), we get a palindrome (411121121114).

The spelling of 101020101013 in words is "one hundred one billion, twenty million, one hundred one thousand, thirteen".

Divisors: 1 13 169 2197 45980929 597752077 7770777001 101020101013