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1303003122020 = 225139468706159
BaseRepresentation
bin10010111101100001000…
…010011100100101100100
311121120021112020212011122
4102331201002130211210
5132322022244401040
62434331422553112
7163065426536225
oct22754102344544
94546245225148
101303003122020
11462667325216
12190645138798
1395b46332a12
14470cc36524c
1523d628d41b5
hex12f6109c964

1303003122020 has 24 divisors (see below), whose sum is σ = 2755992220800. Its totient is φ = 517451598432.

The previous prime is 1303003122011. The next prime is 1303003122023. The reversal of 1303003122020 is 202213003031.

It is a self number, because there is not a number n which added to its sum of digits gives 1303003122020.

It is not an unprimeable number, because it can be changed into a prime (1303003122023) 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, 234350300 + ... + 234355859.

It is an arithmetic number, because the mean of its divisors is an integer number (114833009200).

Almost surely, 21303003122020 is an apocalyptic number.

1303003122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303003122020 is an abundant number, since it is smaller than the sum of its proper divisors (1452989098780).

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

1303003122020 is a wasteful number, since it uses less digits than its factorization.

1303003122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468706307 (or 468706305 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1303003122020 its reverse (202213003031), we get a palindrome (1505216125051).

The spelling of 1303003122020 in words is "one trillion, three hundred three billion, three million, one hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 468706159 937412318 1874824636 2343530795 4687061590 9374123180 65150156101 130300312202 260600624404 325750780505 651501561010 1303003122020