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100230002431 = 137710000187
BaseRepresentation
bin101110101011000101…
…1000111011011111111
3100120201012102200021021
41131112023013123333
53120232340034211
6114013420445011
710145535651346
oct1352613073377
9316635380237
10100230002431
1139564250359
12175129a9767
1395b436cb60
144bcb812b5d
15291951d771
hex17562c76ff

100230002431 has 4 divisors (see below), whose sum is σ = 107940002632. Its totient is φ = 92520002232.

The previous prime is 100230002429. The next prime is 100230002461. The reversal of 100230002431 is 134200032001.

It is a happy number.

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 100230002431 - 21 = 100230002429 is a prime.

It is a super-2 number, since 2×1002300024312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100230002461) 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, 3855000081 + ... + 3855000106.

It is an arithmetic number, because the mean of its divisors is an integer number (26985000658).

Almost surely, 2100230002431 is an apocalyptic number.

100230002431 is a deficient number, since it is larger than the sum of its proper divisors (7710000201).

100230002431 is an equidigital number, since it uses as much as digits as its factorization.

100230002431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7710000200.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100230002431 its reverse (134200032001), we get a palindrome (234430034432).

The spelling of 100230002431 in words is "one hundred billion, two hundred thirty million, two thousand, four hundred thirty-one".

Divisors: 1 13 7710000187 100230002431