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23310023100 = 223527132929443
BaseRepresentation
bin10101101101011000…
…101011100110111100
32020011111220212022220
4111231120223212330
5340214331214400
614413010405340
71453433633010
oct255530534674
966144825286
1023310023100
11998199a401
124626590850
1322763891a0
1411b1b50540
1591664d7a0
hex56d62b9bc

23310023100 has 288 divisors, whose sum is σ = 85872837120. Its totient is φ = 4748405760.

The previous prime is 23310023069. The next prime is 23310023101. The reversal of 23310023100 is 132001332.

It is a super-2 number, since 2×233100231002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23310023100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23310023101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 776979 + ... + 806421.

Almost surely, 223310023100 is an apocalyptic number.

23310023100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23310023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42936418560).

23310023100 is an abundant number, since it is smaller than the sum of its proper divisors (62562814020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23310023100 is a wasteful number, since it uses less digits than its factorization.

23310023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29509 (or 29502 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23310023100 its reverse (132001332), we get a palindrome (23442024432).

The spelling of 23310023100 in words is "twenty-three billion, three hundred ten million, twenty-three thousand, one hundred".