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101032351021 = 7191275981431
BaseRepresentation
bin101111000010111111…
…1110101010100101101
3100122210010012012121201
41132011333311110231
53123403240213041
6114225201525501
710204450546150
oct1360577652455
9318703165551
10101032351021
1139936145768
12176b7643891
1396b1665a34
144c661cdc97
152964bab631
hex1785ff552d

101032351021 has 16 divisors (see below), whose sum is σ = 122499727360. Its totient is φ = 81395299440.

The previous prime is 101032350977. The next prime is 101032351031. The reversal of 101032351021 is 120153230101.

It is not a de Polignac number, because 101032351021 - 215 = 101032318253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101032351021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101032351031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2973825 + ... + 3007606.

It is an arithmetic number, because the mean of its divisors is an integer number (7656232960).

Almost surely, 2101032351021 is an apocalyptic number.

It is an amenable number.

101032351021 is a deficient number, since it is larger than the sum of its proper divisors (21467376339).

101032351021 is a wasteful number, since it uses less digits than its factorization.

101032351021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5981584.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 101032351021 its reverse (120153230101), we get a palindrome (221185581122).

The spelling of 101032351021 in words is "one hundred one billion, thirty-two million, three hundred fifty-one thousand, twenty-one".

Divisors: 1 7 19 127 133 889 2413 16891 5981431 41870017 113647189 759641737 795530323 5317492159 14433193003 101032351021