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30020013233123 = 209982114296463
BaseRepresentation
bin1101101001101100101000…
…01110011001001111100011
310221021212220100010100011112
412310312110032121033203
512413321441341424443
6143503000444133535
76215605625146514
oct664662416311743
9127255810110145
1030020013233123
119624463939341
12344a0b58372ab
131399b4b79b224
1475ad95318a0b
15370d51caab18
hex1b4d943993e3

30020013233123 has 4 divisors (see below), whose sum is σ = 30020029629408. Its totient is φ = 30019996836840.

The previous prime is 30020013233107. The next prime is 30020013233131. The reversal of 30020013233123 is 32133231002003.

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

It is a cyclic number.

It is not a de Polignac number, because 30020013233123 - 24 = 30020013233107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30020013233323) 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, 5048411 + ... + 9248052.

It is an arithmetic number, because the mean of its divisors is an integer number (7505007407352).

Almost surely, 230020013233123 is an apocalyptic number.

30020013233123 is a deficient number, since it is larger than the sum of its proper divisors (16396285).

30020013233123 is a wasteful number, since it uses less digits than its factorization.

30020013233123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16396284.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30020013233123 its reverse (32133231002003), we get a palindrome (62153244235126).

The spelling of 30020013233123 in words is "thirty trillion, twenty billion, thirteen million, two hundred thirty-three thousand, one hundred twenty-three".

Divisors: 1 2099821 14296463 30020013233123