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101031030443 = 7149943110271
BaseRepresentation
bin101111000010111101…
…0110010111010101011
3100122210000201010010102
41132011322302322223
53123402420433233
6114225113340015
710204433406110
oct1360572627253
9318700633112
10101031030443
1139935423582
12176b710760b
1396b12c2925
144c65d68907
1529649ea1e8
hex1785eb2eab

101031030443 has 16 divisors (see below), whose sum is σ = 116262604800. Its totient is φ = 85999336800.

The previous prime is 101031030433. The next prime is 101031030511. The reversal of 101031030443 is 344030130101.

It is a cyclic number.

It is not a de Polignac number, because 101031030443 - 212 = 101031026347 is a prime.

It is a super-2 number, since 2×1010310304432 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101031030433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9831398 + ... + 9841668.

It is an arithmetic number, because the mean of its divisors is an integer number (7266412800).

Almost surely, 2101031030443 is an apocalyptic number.

101031030443 is a deficient number, since it is larger than the sum of its proper divisors (15231574357).

101031030443 is a wasteful number, since it uses less digits than its factorization.

101031030443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19858.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 101031030443 its reverse (344030130101), we get a palindrome (445061160544).

The spelling of 101031030443 in words is "one hundred one billion, thirty-one million, thirty thousand, four hundred forty-three".

Divisors: 1 7 149 1043 9431 10271 66017 71897 1405219 1530379 9836533 10712653 96865801 678060607 14433004349 101031030443