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49682883380 = 22513191088013
BaseRepresentation
bin101110010001010101…
…001010001100110100
311202020111002222101212
4232101111022030310
51303222304232010
634453552340552
73406121353334
oct562125121464
9152214088355
1049682883380
111a0857686a9
129766844758
1348ba15b060
1425945830c4
15145bb04505
hexb9154a334

49682883380 has 24 divisors (see below), whose sum is σ = 112359752232. Its totient is φ = 18344449152.

The previous prime is 49682883359. The next prime is 49682883403. The reversal of 49682883380 is 8338828694.

It can be written as a sum of positive squares in 4 ways, for example, as 3181411216 + 46501472164 = 56404^2 + 215642^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95543747 + ... + 95544266.

It is an arithmetic number, because the mean of its divisors is an integer number (4681656343).

Almost surely, 249682883380 is an apocalyptic number.

It is an amenable number.

49682883380 is an abundant number, since it is smaller than the sum of its proper divisors (62676868852).

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

49682883380 is a wasteful number, since it uses less digits than its factorization.

49682883380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191088035 (or 191088033 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 59.

The spelling of 49682883380 in words is "forty-nine billion, six hundred eighty-two million, eight hundred eighty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 191088013 382176026 764352052 955440065 1910880130 2484144169 3821760260 4968288338 9936576676 12420720845 24841441690 49682883380