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23436497448 = 23337138913397
BaseRepresentation
bin10101110100111011…
…001001001000101000
32020111022220102112000
4111310323021020220
5340444220404243
614433325251000
71456530640620
oct256473111050
966438812460
1023436497448
119a37323461
124660a03a60
13229663bc90
1411c4873880
159227d25d3
hex574ec9228

23436497448 has 256 divisors, whose sum is σ = 81031104000. Its totient is φ = 6111148032.

The previous prime is 23436497443. The next prime is 23436497453. The reversal of 23436497448 is 84479463432.

23436497448 is a `hidden beast` number, since 234 + 364 + 9 + 7 + 4 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (23436497443) and next prime (23436497453).

It is a super-2 number, since 2×234364974482 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 23436497394 and 23436497403.

It is not an unprimeable number, because it can be changed into a prime (23436497443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1742686 + ... + 1756082.

It is an arithmetic number, because the mean of its divisors is an integer number (316527750).

Almost surely, 223436497448 is an apocalyptic number.

23436497448 is a gapful number since it is divisible by the number (28) 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 23436497448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40515552000).

23436497448 is an abundant number, since it is smaller than the sum of its proper divisors (57594606552).

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

23436497448 is a wasteful number, since it uses less digits than its factorization.

23436497448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13521 (or 13511 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 54.

The spelling of 23436497448 in words is "twenty-three billion, four hundred thirty-six million, four hundred ninety-seven thousand, four hundred forty-eight".