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10213123021013 = 1129312879335869
BaseRepresentation
bin1001010010011110110110…
…0100011101100011010101
31100011100212002210110220002
42110213231210131203111
52314312433443133023
633415502143021045
72102605465211633
oct224475544354325
940140762713802
1010213123021013
1132883a7765130
12118b45629a785
1359112a190393
14274464040353
1512aa00519b28
hex949ed91d8d5

10213123021013 has 32 divisors (see below), whose sum is σ = 11898325785600. Its totient is φ = 8674776230400.

The previous prime is 10213123021009. The next prime is 10213123021081. The reversal of 10213123021013 is 31012032131201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10213123021013 - 22 = 10213123021009 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 (10213123026013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284716043 + ... + 284751911.

It is an arithmetic number, because the mean of its divisors is an integer number (371822680800).

Almost surely, 210213123021013 is an apocalyptic number.

It is an amenable number.

10213123021013 is a deficient number, since it is larger than the sum of its proper divisors (1685202764587).

10213123021013 is a wasteful number, since it uses less digits than its factorization.

10213123021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64733.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10213123021013 its reverse (31012032131201), we get a palindrome (41225155152214).

The spelling of 10213123021013 in words is "ten trillion, two hundred thirteen billion, one hundred twenty-three million, twenty-one thousand, thirteen".

Divisors: 1 11 29 31 319 341 899 9889 28793 35869 316723 394559 834997 892583 1040201 1111939 9184967 9818413 11442211 12231329 25884907 32246231 284733977 354708541 1032776117 11360537287 29950507393 32016059627 329455581323 352176655897 928465729183 10213123021013