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23400525444252 = 223113171269299419
BaseRepresentation
bin1010101001000010111000…
…00000011011010010011100
310001212001211212000111002220
411110201130000123102130
511031343234003204002
6121434015235545340
74633426556256315
oct524413400332234
9101761755014086
1023400525444252
11750211a621160
12275b21875b250
131009877275518
145ac83d01360c
152a8a7c1b57bc
hex15485c01b49c

23400525444252 has 192 divisors, whose sum is σ = 62584433049600. Its totient is φ = 6740498016000.

The previous prime is 23400525444193. The next prime is 23400525444269. The reversal of 23400525444252 is 25244452500432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78003399 + ... + 78302817.

It is an arithmetic number, because the mean of its divisors is an integer number (325960588800).

Almost surely, 223400525444252 is an apocalyptic number.

23400525444252 is a gapful number since it is divisible by the number (22) 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 23400525444252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31292216524800).

23400525444252 is an abundant number, since it is smaller than the sum of its proper divisors (39183907605348).

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

23400525444252 is a wasteful number, since it uses less digits than its factorization.

23400525444252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299808 (or 299806 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 42.

Adding to 23400525444252 its reverse (25244452500432), we get a palindrome (48644977944684).

The spelling of 23400525444252 in words is "twenty-three trillion, four hundred billion, five hundred twenty-five million, four hundred forty-four thousand, two hundred fifty-two".