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124305443641 = 3891493214033
BaseRepresentation
bin111001111000100101…
…1101000101100111001
3102212212001121210212001
41303301023220230321
54014034143144031
6133034413021001
711660255560141
oct1636113505471
9385761553761
10124305443641
1148799200705
1220111784761
13b950191562
146033089921
153377e62861
hex1cf12e8b39

124305443641 has 8 divisors (see below), whose sum is σ = 124709050440. Its totient is φ = 123902268672.

The previous prime is 124305443627. The next prime is 124305443683. The reversal of 124305443641 is 146344503421.

It can be written as a sum of positive squares in 4 ways, for example, as 51667108416 + 72638335225 = 227304^2 + 269515^2 .

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-124305443641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124305443641.

It is not an unprimeable number, because it can be changed into a prime (124305446641) 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, 473761 + ... + 687793.

It is an arithmetic number, because the mean of its divisors is an integer number (15588631305).

Almost surely, 2124305443641 is an apocalyptic number.

It is an amenable number.

124305443641 is a deficient number, since it is larger than the sum of its proper divisors (403606799).

124305443641 is a wasteful number, since it uses less digits than its factorization.

124305443641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215915.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 124305443641 in words is "one hundred twenty-four billion, three hundred five million, four hundred forty-three thousand, six hundred forty-one".

Divisors: 1 389 1493 214033 580777 83258837 319551269 124305443641