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1213030300001 = 13238939058193
BaseRepresentation
bin10001101001101110001…
…111010111100101100001
311021222001011111221020012
4101221232033113211201
5124333241224100001
62325131453054305
7153432010265612
oct21515617274541
94258034457205
101213030300001
11428496a87373
12177115487395
138a5080380b0
14429d4cddc09
1521848b252bb
hex11a6e3d7961

1213030300001 has 8 divisors (see below), whose sum is σ = 1306887171240. Its totient is φ = 1119251549952.

The previous prime is 1213030299979. The next prime is 1213030300081. The reversal of 1213030300001 is 1000030303121.

It can be written as a sum of positive squares in 4 ways, for example, as 54791573776 + 1158238726225 = 234076^2 + 1076215^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1213030300001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213030300081) 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, 19498040 + ... + 19560153.

It is an arithmetic number, because the mean of its divisors is an integer number (163360896405).

Almost surely, 21213030300001 is an apocalyptic number.

It is an amenable number.

1213030300001 is a deficient number, since it is larger than the sum of its proper divisors (93856871239).

1213030300001 is a wasteful number, since it uses less digits than its factorization.

1213030300001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39060595.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 1213030300001 its reverse (1000030303121), we get a palindrome (2213060603122).

The spelling of 1213030300001 in words is "one trillion, two hundred thirteen billion, thirty million, three hundred thousand, one".

Divisors: 1 13 2389 31057 39058193 507756509 93310023077 1213030300001