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146122254061 = 720874607723
BaseRepresentation
bin1000100000010110010…
…0001010011011101101
3111222011111210121110121
42020011210022123231
54343224244112221
6151043323004541
713362021444340
oct2100544123355
9458144717417
10146122254061
1156a74226243
12243a0069751
1310a19093934
147102782457
153c03457a41
hex220590a6ed

146122254061 has 4 divisors (see below), whose sum is σ = 166996861792. Its totient is φ = 125247646332.

The previous prime is 146122254037. The next prime is 146122254067. The reversal of 146122254061 is 160452221641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160452221641 = 295532835229.

It is a cyclic number.

It is not a de Polignac number, because 146122254061 - 25 = 146122254029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146122254067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10437303855 + ... + 10437303868.

It is an arithmetic number, because the mean of its divisors is an integer number (41749215448).

Almost surely, 2146122254061 is an apocalyptic number.

It is an amenable number.

146122254061 is a deficient number, since it is larger than the sum of its proper divisors (20874607731).

146122254061 is an equidigital number, since it uses as much as digits as its factorization.

146122254061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20874607730.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 146122254061 in words is "one hundred forty-six billion, one hundred twenty-two million, two hundred fifty-four thousand, sixty-one".

Divisors: 1 7 20874607723 146122254061