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23280246641 = 171972075067
BaseRepresentation
bin10101101011100111…
…000101111101110001
32020002102220001201002
4111223213011331301
5340134220343031
614410024251345
71452622555121
oct255347057561
966072801632
1023280246641
119967101963
124618610b55
132270161b92
1411abbdcc81
15913c1accb
hex56b9c5f71

23280246641 has 8 divisors (see below), whose sum is σ = 25947024480. Its totient is φ = 20757619008.

The previous prime is 23280246631. The next prime is 23280246653. The reversal of 23280246641 is 14664208232.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23280246641 - 234 = 6100377457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23280246595 and 23280246604.

It is not an unprimeable number, because it can be changed into a prime (23280246631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36037211 + ... + 36037856.

It is an arithmetic number, because the mean of its divisors is an integer number (3243378060).

Almost surely, 223280246641 is an apocalyptic number.

It is an amenable number.

23280246641 is a deficient number, since it is larger than the sum of its proper divisors (2666777839).

23280246641 is a wasteful number, since it uses less digits than its factorization.

23280246641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72075103.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 23280246641 in words is "twenty-three billion, two hundred eighty million, two hundred forty-six thousand, six hundred forty-one".

Divisors: 1 17 19 323 72075067 1225276139 1369426273 23280246641