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122421301030145 = 5137209612612353
BaseRepresentation
bin11011110101011101101110…
…001010010010110100000001
3121001110100202221211200222202
4123311131232022102310001
5112021222311030431040
61112211322545042545
734533434651311025
oct3365355612226401
9531410687750882
10122421301030145
1136009644a07637
121189209a026455
1353403823b2b10
142233318ab6385
15e246d40dd015
hex6f576e292d01

122421301030145 has 16 divisors (see below), whose sum is σ = 158206269022032. Its totient is φ = 90403262300160.

The previous prime is 122421301030109. The next prime is 122421301030181. The reversal of 122421301030145 is 541030103124221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122421301030109) and next prime (122421301030181).

It can be written as a sum of positive squares in 8 ways, for example, as 48196459562689 + 74224841467456 = 6942367^2 + 8615384^2 .

It is not a de Polignac number, because 122421301030145 - 26 = 122421301030081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45556289 + ... + 48168641.

It is an arithmetic number, because the mean of its divisors is an integer number (9887891813877).

Almost surely, 2122421301030145 is an apocalyptic number.

It is an amenable number.

122421301030145 is a deficient number, since it is larger than the sum of its proper divisors (35784967991887).

122421301030145 is a wasteful number, since it uses less digits than its factorization.

122421301030145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333332.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 122421301030145 its reverse (541030103124221), we get a palindrome (663451404154366).

The spelling of 122421301030145 in words is "one hundred twenty-two trillion, four hundred twenty-one billion, three hundred one million, thirty thousand, one hundred forty-five".

Divisors: 1 5 13 65 720961 2612353 3604805 9372493 13061765 33960589 46862465 169802945 1883404631233 9417023156165 24484260206029 122421301030145