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10120022421 = 319724724499
BaseRepresentation
bin10010110110011001…
…10100100110010101
3222010021121101221020
421123030310212111
5131211211204141
64352111111353
7505532525355
oct113314644625
928107541836
1010120022421
1143235416a3
121b65212559
13c53821662
146c0086b65
153e36ba266
hex25b334995

10120022421 has 16 divisors (see below), whose sum is σ = 14206080000. Its totient is φ = 6390450288.

The previous prime is 10120022411. The next prime is 10120022489. The reversal of 10120022421 is 12422002101.

10120022421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10120022421 - 221 = 10117925269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10120022421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120022411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400830 + ... + 425328.

It is an arithmetic number, because the mean of its divisors is an integer number (887880000).

Almost surely, 210120022421 is an apocalyptic number.

It is an amenable number.

10120022421 is a deficient number, since it is larger than the sum of its proper divisors (4086057579).

10120022421 is a wasteful number, since it uses less digits than its factorization.

10120022421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31768.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10120022421 its reverse (12422002101), we get a palindrome (22542024522).

The spelling of 10120022421 in words is "ten billion, one hundred twenty million, twenty-two thousand, four hundred twenty-one".

Divisors: 1 3 19 57 7247 21741 24499 73497 137693 413079 465481 1396443 177544253 532632759 3373340807 10120022421