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23201021310000 = 243543720901821
BaseRepresentation
bin1010100011001111010001…
…01000100011010000110000
310001010222220001210101112120
411101213220220203100300
511020111142423410000
6121202222501554240
74613134636150122
oct521475050432060
9101128801711476
1023201021310000
117435552753266
12272861b115980
13cc3b018c1741
145a2d14b2d212
152a37a253e6a0
hex1519e8a23430

23201021310000 has 200 divisors, whose sum is σ = 76920209891184. Its totient is φ = 6019724160000.

The previous prime is 23201021309981. The next prime is 23201021310073. The reversal of 23201021310000 is 1312010232.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×232010213100002 (a number of 28 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9340911 + ... + 11560910.

Almost surely, 223201021310000 is an apocalyptic number.

23201021310000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23201021310000 is an abundant number, since it is smaller than the sum of its proper divisors (53719188581184).

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

23201021310000 is a wasteful number, since it uses less digits than its factorization.

23201021310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20901889 (or 20901868 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23201021310000 its reverse (1312010232), we get a palindrome (23202333320232).

The spelling of 23201021310000 in words is "twenty-three trillion, two hundred one billion, twenty-one million, three hundred ten thousand".