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47649977358 = 2323345289691
BaseRepresentation
bin101100011000001010…
…001111010000001110
311112222210211122121020
4230120022033100032
51240041343233413
633520132215010
73304545060534
oct543012172016
9145883748536
1047649977358
1119232196285
129299a6a466
134654c32099
1424405a0154
15138d3e1c23
hexb1828f40e

47649977358 has 16 divisors (see below), whose sum is σ = 99443431296. Its totient is φ = 15192746360.

The previous prime is 47649977351. The next prime is 47649977359. The reversal of 47649977358 is 85377994674.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a junction number, because it is equal to n+sod(n) for n = 47649977292 and 47649977301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47649977351) 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, 172644708 + ... + 172644983.

It is an arithmetic number, because the mean of its divisors is an integer number (6215214456).

Almost surely, 247649977358 is an apocalyptic number.

47649977358 is an abundant number, since it is smaller than the sum of its proper divisors (51793453938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47649977358 is a wasteful number, since it uses less digits than its factorization.

47649977358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345289719.

The product of its digits is 320060160, while the sum is 69.

The spelling of 47649977358 in words is "forty-seven billion, six hundred forty-nine million, nine hundred seventy-seven thousand, three hundred fifty-eight".

Divisors: 1 2 3 6 23 46 69 138 345289691 690579382 1035869073 2071738146 7941662893 15883325786 23824988679 47649977358