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1225460672748 = 22361347967489
BaseRepresentation
bin10001110101010011001…
…001011110100011101100
311100011010110110022000000
4101311103021132203230
5130034220413011443
62334545135104300
7154352025564444
oct21652311364354
94304113408000
101225460672748
114327956693a4
12179604372090
138b7393b6a40
1443453b4b124
1521d250588d3
hex11d5325e8ec

1225460672748 has 168 divisors, whose sum is σ = 3469979452800. Its totient is φ = 376272055296.

The previous prime is 1225460672713. The next prime is 1225460672749. The reversal of 1225460672748 is 8472760645221.

1225460672748 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 4 + 606 + 7 + 27 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1225460672694 and 1225460672703.

It is not an unprimeable number, because it can be changed into a prime (1225460672749) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 18124188 + ... + 18191676.

It is an arithmetic number, because the mean of its divisors is an integer number (20654639600).

Almost surely, 21225460672748 is an apocalyptic number.

1225460672748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225460672748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1734989726400).

1225460672748 is an abundant number, since it is smaller than the sum of its proper divisors (2244518780052).

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

1225460672748 is a wasteful number, since it uses less digits than its factorization.

1225460672748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68003 (or 67986 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 1225460672748 in words is "one trillion, two hundred twenty-five billion, four hundred sixty million, six hundred seventy-two thousand, seven hundred forty-eight".