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10120021303 = 72656331469
BaseRepresentation
bin10010110110011001…
…10100010100110111
3222010021121100101211
421123030310110313
5131211211140203
64352111102251
7505532522200
oct113314642467
928107540354
1010120021303
114323540877
121b65211987
13c53820cb2
146c00865a7
153e36b9c6d
hex25b334537

10120021303 has 12 divisors (see below), whose sum is σ = 11774437560. Its totient is φ = 8672706672.

The previous prime is 10120021283. The next prime is 10120021313. The reversal of 10120021303 is 30312002101.

It is not a de Polignac number, because 10120021303 - 25 = 10120021271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120021313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305853 + ... + 337321.

It is an arithmetic number, because the mean of its divisors is an integer number (981203130).

Almost surely, 210120021303 is an apocalyptic number.

10120021303 is a deficient number, since it is larger than the sum of its proper divisors (1654416257).

10120021303 is an equidigital number, since it uses as much as digits as its factorization.

10120021303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38046 (or 38039 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10120021303 its reverse (30312002101), we get a palindrome (40432023404).

The spelling of 10120021303 in words is "ten billion, one hundred twenty million, twenty-one thousand, three hundred three".

Divisors: 1 7 49 6563 31469 45941 220283 321587 1541981 206531047 1445717329 10120021303