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124121042141 = 1743316861981
BaseRepresentation
bin111001110011000110…
…0001100110011011101
3102212101012122020112212
41303212030030303131
54013144441322031
6133004224410205
711652556310345
oct1634614146335
9385335566485
10124121042141
1148704102078
122007ba76965
13b920c09145
1460167a7d25
153366b8a12b
hex1ce630ccdd

124121042141 has 8 divisors (see below), whose sum is σ = 131725803384. Its totient is φ = 116550005760.

The previous prime is 124121042093. The next prime is 124121042147. The reversal of 124121042141 is 141240121421.

It can be written as a sum of positive squares in 4 ways, for example, as 96628900 + 124024413241 = 9830^2 + 352171^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 124121042141 - 26 = 124121042077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124121042147) 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, 8423630 + ... + 8438351.

It is an arithmetic number, because the mean of its divisors is an integer number (16465725423).

Almost surely, 2124121042141 is an apocalyptic number.

It is an amenable number.

124121042141 is a deficient number, since it is larger than the sum of its proper divisors (7604761243).

124121042141 is a wasteful number, since it uses less digits than its factorization.

124121042141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16862431.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 124121042141 its reverse (141240121421), we get a palindrome (265361163562).

The spelling of 124121042141 in words is "one hundred twenty-four billion, one hundred twenty-one million, forty-two thousand, one hundred forty-one".

Divisors: 1 17 433 7361 16861981 286653677 7301237773 124121042141