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23311451340100 = 22527211439985181
BaseRepresentation
bin1010100110011100111101…
…10001101011110101000100
310001112112221010101011022101
411103032132301223311010
511023413323020340400
6121325044412441444
74624124332004500
oct523163661536504
9101475833334271
1023311451340100
11747837060a350
122745ab9a79284
131001350215811
145a83cd093300
152a65b727d56a
hex15339ec6bd44

23311451340100 has 216 divisors, whose sum is σ = 64340581314240. Its totient is φ = 7249348512000.

The previous prime is 23311451340071. The next prime is 23311451340209. The reversal of 23311451340100 is 104315411332.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 23169510 + ... + 24154690.

It is an arithmetic number, because the mean of its divisors is an integer number (297873061640).

Almost surely, 223311451340100 is an apocalyptic number.

23311451340100 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 23311451340100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32170290657120).

23311451340100 is an abundant number, since it is smaller than the sum of its proper divisors (41029129974140).

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

23311451340100 is a wasteful number, since it uses less digits than its factorization.

23311451340100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985659 (or 985645 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 23311451340100 its reverse (104315411332), we get a palindrome (23415766751432).

The spelling of 23311451340100 in words is "twenty-three trillion, three hundred eleven billion, four hundred fifty-one million, three hundred forty thousand, one hundred".