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10302320123221 = 71499981827897
BaseRepresentation
bin1001010111101011001000…
…1000011001110101010101
31100110220002101212202022011
42111322302020121311111
52322243122422420341
633524453122304221
72112214045112410
oct225726210316525
940426071782264
1010302320123221
11331220a146225
1211a47aa1b8071
135996738567b9
142788c645ab77
1512cec114ab81
hex95eb2219d55

10302320123221 has 8 divisors (see below), whose sum is σ = 11781934776000. Its totient is φ = 8824669129248.

The previous prime is 10302320123213. The next prime is 10302320123257. The reversal of 10302320123221 is 12232102320301.

10302320123221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10302320123221 - 23 = 10302320123213 is a prime.

It is a super-2 number, since 2×103023201232212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10302320123192 and 10302320123201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302320123021) 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, 490903456 + ... + 490924441.

It is an arithmetic number, because the mean of its divisors is an integer number (1472741847000).

Almost surely, 210302320123221 is an apocalyptic number.

It is an amenable number.

10302320123221 is a deficient number, since it is larger than the sum of its proper divisors (1479614652779).

10302320123221 is an equidigital number, since it uses as much as digits as its factorization.

10302320123221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981829403.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 10302320123221 its reverse (12232102320301), we get a palindrome (22534422443522).

The spelling of 10302320123221 in words is "ten trillion, three hundred two billion, three hundred twenty million, one hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 7 1499 10493 981827897 6872795279 1471760017603 10302320123221