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10122020103 = 3131816412237
BaseRepresentation
bin10010110110101000…
…11100010100000111
3222010102100220020110
421123110130110013
5131212214120403
64352222004103
7505555515456
oct113324342407
928112326213
1010122020103
114324686578
121b65a16633
13c54070a10
146c0446b9d
153e3962103
hex25b51c507

10122020103 has 32 divisors (see below), whose sum is σ = 14643824832. Its totient is φ = 6182092800.

The previous prime is 10122020071. The next prime is 10122020143. The reversal of 10122020103 is 30102022101.

It is not a de Polignac number, because 10122020103 - 25 = 10122020071 is a prime.

It is a super-2 number, since 2×101220201032 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122020143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4523701 + ... + 4525937.

It is an arithmetic number, because the mean of its divisors is an integer number (457619526).

Almost surely, 210122020103 is an apocalyptic number.

10122020103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10122020103 is a deficient number, since it is larger than the sum of its proper divisors (4521804729).

10122020103 is a wasteful number, since it uses less digits than its factorization.

10122020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10122020103 its reverse (30102022101), we get a palindrome (40224042204).

The spelling of 10122020103 in words is "ten billion, one hundred twenty-two million, twenty thousand, one hundred three".

Divisors: 1 3 13 39 181 543 641 1923 2237 2353 6711 7059 8333 24999 29081 87243 116021 348063 404897 1214691 1433917 1508273 4301751 4524819 5263661 15790983 18640921 55922763 259538977 778616931 3374006701 10122020103