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20100100230023 = 116192951990047
BaseRepresentation
bin1001001000111111010110…
…10101011000101110000111
32122011112212112201001122112
410210133223111120232013
510113310001124330043
6110425505241251235
74143120135651122
oct444375325305607
978145775631575
1020100100230023
11644a44a631470
12230764aa93b1b
13b2a57b7b7888
144d6bc872d3b9
1524ccb2cbd518
hex1247eb558b87

20100100230023 has 8 divisors (see below), whose sum is σ = 21962805957120. Its totient is φ = 18243298484280.

The previous prime is 20100100230017. The next prime is 20100100230047. The reversal of 20100100230023 is 32003200100102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20100100230023 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 (20100100230013) 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, 1475988215 + ... + 1476001832.

It is an arithmetic number, because the mean of its divisors is an integer number (2745350744640).

Almost surely, 220100100230023 is an apocalyptic number.

20100100230023 is a deficient number, since it is larger than the sum of its proper divisors (1862705727097).

20100100230023 is a wasteful number, since it uses less digits than its factorization.

20100100230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951990677.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20100100230023 its reverse (32003200100102), we get a palindrome (52103300330125).

The spelling of 20100100230023 in words is "twenty trillion, one hundred billion, one hundred million, two hundred thirty thousand, twenty-three".

Divisors: 1 11 619 6809 2951990047 32471890517 1827281839093 20100100230023