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103100030212021 = 10330710753303217
BaseRepresentation
bin10111011100010011011000…
…101011010101011110110101
3111112001021012101002002002021
4113130103120223111132311
5102003142330213241041
61003135300000513141
730500505601155463
oct2734233053253665
9445037171062067
10103100030212021
112a93a528273767
12b69158761b7b1
13456b3a2802bcb
141b660d4b91833
15bdbd05c19cd1
hex5dc4d8ad57b5

103100030212021 has 16 divisors (see below), whose sum is σ = 104450149707904. Its totient is φ = 101756689219584.

The previous prime is 103100030212019. The next prime is 103100030212043. The reversal of 103100030212021 is 120212030001301.

It is a cyclic number.

It is not a de Polignac number, because 103100030212021 - 21 = 103100030212019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103100030211986 and 103100030212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103100030212321) 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, 339869005 + ... + 340172221.

It is an arithmetic number, because the mean of its divisors is an integer number (6528134356744).

Almost surely, 2103100030212021 is an apocalyptic number.

It is an amenable number.

103100030212021 is a deficient number, since it is larger than the sum of its proper divisors (1350119495883).

103100030212021 is a wasteful number, since it uses less digits than its factorization.

103100030212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314380.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103100030212021 its reverse (120212030001301), we get a palindrome (223312060213322).

The spelling of 103100030212021 in words is "one hundred three trillion, one hundred billion, thirty million, two hundred twelve thousand, twenty-one".

Divisors: 1 103 307 10753 31621 303217 1107559 3301171 31231351 93087619 340020613 3260492401 9588024757 335830717303 1000971167107 103100030212021