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100231301123 = 671495989569
BaseRepresentation
bin101110101011001000…
…0000100100000000011
3100120201021212122201222
41131112100010200003
53120233203113443
6114013504345255
710145553000542
oct1352620044003
9316637778658
10100231301123
1139564a58058
121751331522b
1395b4706005
144bcba70159
1529196c8468
hex1756404803

100231301123 has 4 divisors (see below), whose sum is σ = 101727290760. Its totient is φ = 98735311488.

The previous prime is 100231301099. The next prime is 100231301153. The reversal of 100231301123 is 321103132001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321103132001 = 1091294320011.

It is a cyclic number.

It is not a de Polignac number, because 100231301123 - 28 = 100231300867 is a prime.

It is a super-2 number, since 2×1002313011232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100231301153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747994718 + ... + 747994851.

It is an arithmetic number, because the mean of its divisors is an integer number (25431822690).

Almost surely, 2100231301123 is an apocalyptic number.

100231301123 is a deficient number, since it is larger than the sum of its proper divisors (1495989637).

100231301123 is an equidigital number, since it uses as much as digits as its factorization.

100231301123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495989636.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 100231301123 its reverse (321103132001), we get a palindrome (421334433124).

The spelling of 100231301123 in words is "one hundred billion, two hundred thirty-one million, three hundred one thousand, one hundred twenty-three".

Divisors: 1 67 1495989569 100231301123