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357480642949 = 6126092246201
BaseRepresentation
bin1010011001110111000…
…00011011100110000101
31021011201102220020022221
411030323200123212011
521324110021033244
6432120242452341
734553463220633
oct5147340334605
91234642806287
10357480642949
1112867455a0a1
12593476640b1
132793063ca81
1413433186353
159473b60784
hex533b81b985

357480642949 has 8 divisors (see below), whose sum is σ = 363480407640. Its totient is φ = 351485376000.

The previous prime is 357480642917. The next prime is 357480642979. The reversal of 357480642949 is 949246084753.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15819350625 + 341661292324 = 125775^2 + 584518^2 .

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 357480642949 - 25 = 357480642917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357480642979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963952 + ... + 1282249.

It is an arithmetic number, because the mean of its divisors is an integer number (45435050955).

Almost surely, 2357480642949 is an apocalyptic number.

It is an amenable number.

357480642949 is a deficient number, since it is larger than the sum of its proper divisors (5999764691).

357480642949 is a wasteful number, since it uses less digits than its factorization.

357480642949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248871.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 357480642949 in words is "three hundred fifty-seven billion, four hundred eighty million, six hundred forty-two thousand, nine hundred forty-nine".

Divisors: 1 61 2609 159149 2246201 137018261 5860338409 357480642949