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105420200024 = 2313177525003
BaseRepresentation
bin110001000101110001…
…0001001100001011000
3101002002220201000212202
41202023202021201120
53211400032400044
6120232424425332
710421260625636
oct1421342114130
9332086630782
10105420200024
1140787a55657
1218521018248
139c307330a9
145160c64356
152b1eee4c4e
hex188b889858

105420200024 has 8 divisors (see below), whose sum is σ = 197662875060. Its totient is φ = 52710100008.

The previous prime is 105420200021. The next prime is 105420200027. The reversal of 105420200024 is 420002024501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (105420200021) and next prime (105420200027).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1054202000242 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105420199969 and 105420200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105420200021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6588762494 + ... + 6588762509.

Almost surely, 2105420200024 is an apocalyptic number.

It is an amenable number.

105420200024 is a deficient number, since it is larger than the sum of its proper divisors (92242675036).

105420200024 is a wasteful number, since it uses less digits than its factorization.

105420200024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13177525009 (or 13177525005 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 105420200024 its reverse (420002024501), we get a palindrome (525422224525).

The spelling of 105420200024 in words is "one hundred five billion, four hundred twenty million, two hundred thousand, twenty-four".

Divisors: 1 2 4 8 13177525003 26355050006 52710100012 105420200024