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10212405803 = 21134833131
BaseRepresentation
bin10011000001011010…
…01111001000101011
3222100201102222002222
421200231033020223
5131403333441203
64405211144255
7511034005565
oct114055171053
928321388088
1010212405803
1143707006a6
121b9014508b
13c699c9392
146cc454335
153eb868038
hex260b4f22b

10212405803 has 4 divisors (see below), whose sum is σ = 10217241048. Its totient is φ = 10207570560.

The previous prime is 10212405799. The next prime is 10212405809. The reversal of 10212405803 is 30850421201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10212405803 - 22 = 10212405799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212405809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414453 + ... + 2418678.

It is an arithmetic number, because the mean of its divisors is an integer number (2554310262).

Almost surely, 210212405803 is an apocalyptic number.

10212405803 is a deficient number, since it is larger than the sum of its proper divisors (4835245).

10212405803 is an equidigital number, since it uses as much as digits as its factorization.

10212405803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835244.

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 10212405803 in words is "ten billion, two hundred twelve million, four hundred five thousand, eight hundred three".

Divisors: 1 2113 4833131 10212405803