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10103212308 = 2237472559071
BaseRepresentation
bin10010110100011001…
…01100100100010100
3222002002222100210110
421122030230210110
5131142410243213
64350310523020
7505236613320
oct113214544424
928062870713
1010103212308
114314aaaa42
121b5b666470
13c501b7147
146bbb4c980
153e1e995c3
hex25a32c914

10103212308 has 48 divisors (see below), whose sum is σ = 27515142144. Its totient is φ = 2825213280.

The previous prime is 10103212307. The next prime is 10103212313. The reversal of 10103212308 is 80321230101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103212307) 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, 1275588 + ... + 1283483.

It is an arithmetic number, because the mean of its divisors is an integer number (573232128).

Almost surely, 210103212308 is an apocalyptic number.

It is an amenable number.

10103212308 is an abundant number, since it is smaller than the sum of its proper divisors (17411929836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10103212308 is a wasteful number, since it uses less digits than its factorization.

10103212308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559132 (or 2559130 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 10103212308 its reverse (80321230101), we get a palindrome (90424442409).

The spelling of 10103212308 in words is "ten billion, one hundred three million, two hundred twelve thousand, three hundred eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 47 84 94 141 188 282 329 564 658 987 1316 1974 3948 2559071 5118142 7677213 10236284 15354426 17913497 30708852 35826994 53740491 71653988 107480982 120276337 214961964 240552674 360829011 481105348 721658022 841934359 1443316044 1683868718 2525803077 3367737436 5051606154 10103212308