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2100430240031 = 44312101391817
BaseRepresentation
bin11110100100001011011…
…001011111100100011111
321102210120121001122120202
4132210023121133210133
5233403140120140111
64244531353334115
7304515422313464
oct36441331374437
97383517048522
102100430240031
1173a873126662
1229b0b1a0733b
131230ba2426c6
1473938b0766b
1539984da0b3b
hex1e90b65f91f

2100430240031 has 8 divisors (see below), whose sum is σ = 2105350957584. Its totient is φ = 2095510331200.

The previous prime is 2100430240009. The next prime is 2100430240033. The reversal of 2100430240031 is 1300420340012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100430240031 - 210 = 2100430239007 is a prime.

It is a super-2 number, since 2×21004302400312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100430239985 and 2100430240012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100430240033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5164835 + ... + 5556651.

It is an arithmetic number, because the mean of its divisors is an integer number (263168869698).

Almost surely, 22100430240031 is an apocalyptic number.

2100430240031 is a deficient number, since it is larger than the sum of its proper divisors (4920717553).

2100430240031 is a wasteful number, since it uses less digits than its factorization.

2100430240031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404361.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2100430240031 its reverse (1300420340012), we get a palindrome (3400850580043).

The spelling of 2100430240031 in words is "two trillion, one hundred billion, four hundred thirty million, two hundred forty thousand, thirty-one".

Divisors: 1 443 12101 391817 5360743 173574931 4741377517 2100430240031