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10213251839 = 721193317467
BaseRepresentation
bin10011000001100000…
…11101101011111111
3222100210000221122122
421200300131223333
5131404043024324
64405241233155
7511044131300
oct114060355377
928323027578
1010213251839
1143711292aa
121b904927bb
13c69c344ab
146cc5d47a7
153eb983a5e
hex260c1daff

10213251839 has 12 divisors (see below), whose sum is σ = 11882397384. Its totient is φ = 8752981104.

The previous prime is 10213251833. The next prime is 10213251869. The reversal of 10213251839 is 93815231201.

It is not a de Polignac number, because 10213251839 - 216 = 10213186303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10213251799 and 10213251808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213251833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 575984 + ... + 593450.

It is an arithmetic number, because the mean of its divisors is an integer number (990199782).

Almost surely, 210213251839 is an apocalyptic number.

10213251839 is a deficient number, since it is larger than the sum of its proper divisors (1669145545).

10213251839 is a wasteful number, since it uses less digits than its factorization.

10213251839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29414 (or 29407 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 10213251839 in words is "ten billion, two hundred thirteen million, two hundred fifty-one thousand, eight hundred thirty-nine".

Divisors: 1 7 49 11933 17467 83531 122269 584717 855883 208433711 1459035977 10213251839