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100130310021 = 3726931770557
BaseRepresentation
bin101110101000000111…
…0110100011110000101
3100120110020211202222210
41131100032310132011
53120031324410041
6113555500014033
710143215410050
oct1352016643605
9316406752883
10100130310021
1139512a49a35
12174a5531319
139599806371
144bbc4a1a97
1529108ca016
hex17503b4785

100130310021 has 16 divisors (see below), whose sum is σ = 152636264064. Its totient is φ = 57196041024.

The previous prime is 100130310017. The next prime is 100130310037. The reversal of 100130310021 is 120013031001.

It is not a de Polignac number, because 100130310021 - 22 = 100130310017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100130309979 and 100130310006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100130360021) 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, 828726 + ... + 941831.

It is an arithmetic number, because the mean of its divisors is an integer number (9539766504).

Almost surely, 2100130310021 is an apocalyptic number.

It is an amenable number.

100130310021 is a deficient number, since it is larger than the sum of its proper divisors (52505954043).

100130310021 is a wasteful number, since it uses less digits than its factorization.

100130310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773260.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 100130310021 its reverse (120013031001), we get a palindrome (220143341022).

The spelling of 100130310021 in words is "one hundred billion, one hundred thirty million, three hundred ten thousand, twenty-one".

Divisors: 1 3 7 21 2693 8079 18851 56553 1770557 5311671 12393899 37181697 4768110001 14304330003 33376770007 100130310021