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30213112313203 = 197315313285511
BaseRepresentation
bin1101101111010100010011…
…10100111011010101110011
310221222100022202002222012021
412313222021310323111303
512430002423223010303
6144131413455412311
76235553042225461
oct667521164732563
9127870282088167
1030213112313203
119699344279236
12347b606224097
1313b2113195321
14766472ab1831
15375da4487ebd
hex1b7a89d3b573

30213112313203 has 4 divisors (see below), whose sum is σ = 30228425600688. Its totient is φ = 30197799025720.

The previous prime is 30213112313101. The next prime is 30213112313249. The reversal of 30213112313203 is 30231321131203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30213112313203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30213112313273) 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, 7656640783 + ... + 7656644728.

It is an arithmetic number, because the mean of its divisors is an integer number (7557106400172).

Almost surely, 230213112313203 is an apocalyptic number.

30213112313203 is a deficient number, since it is larger than the sum of its proper divisors (15313287485).

30213112313203 is a wasteful number, since it uses less digits than its factorization.

30213112313203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15313287484.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30213112313203 its reverse (30231321131203), we get a palindrome (60444433444406).

The spelling of 30213112313203 in words is "thirty trillion, two hundred thirteen billion, one hundred twelve million, three hundred thirteen thousand, two hundred three".

Divisors: 1 1973 15313285511 30213112313203