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1225145023430 = 251074492550101
BaseRepresentation
bin10001110101000000010…
…101010111101111000110
311100010022110111122112112
4101311000111113233012
5130033044111222210
62334453541421022
7154341143606156
oct21650025275706
94303273448475
101225145023430
11432643476399
1217953670a772
138b6b8b99bb3
1443423c62766
1521d074a7d05
hex11d40557bc6

1225145023430 has 32 divisors (see below), whose sum is σ = 2230829229600. Its totient is φ = 484396595200.

The previous prime is 1225145023429. The next prime is 1225145023631. The reversal of 1225145023430 is 343205415221.

It is a congruent 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, 794621 + ... + 1755480.

It is an arithmetic number, because the mean of its divisors is an integer number (69713413425).

Almost surely, 21225145023430 is an apocalyptic number.

1225145023430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225145023430 is a deficient number, since it is larger than the sum of its proper divisors (1005684206170).

1225145023430 is a wasteful number, since it uses less digits than its factorization.

1225145023430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550664.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 1225145023430 in words is "one trillion, two hundred twenty-five billion, one hundred forty-five million, twenty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 107 214 449 535 898 1070 2245 4490 48043 96086 240215 480430 2550101 5100202 12750505 25501010 272860807 545721614 1144995349 1364304035 2289990698 2728608070 5724976745 11449953490 122514502343 245029004686 612572511715 1225145023430