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48309182680 = 23511109793597
BaseRepresentation
bin101100111111011100…
…111010000011011000
311121200202020202022011
4230333130322003120
51242414122321210
634105401235304
73330101164123
oct547734720330
9147622222264
1048309182680
1119540301a70
129442792b34
13472b689cc5
1424a3d593ba
1513cb206d8a
hexb3f73a0d8

48309182680 has 32 divisors (see below), whose sum is σ = 118577085840. Its totient is φ = 17566975360.

The previous prime is 48309182657. The next prime is 48309182687. The reversal of 48309182680 is 8628190384.

It is a super-2 number, since 2×483091826802 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48309182687) 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, 54896359 + ... + 54897238.

Almost surely, 248309182680 is an apocalyptic number.

48309182680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48309182680 is an abundant number, since it is smaller than the sum of its proper divisors (70267903160).

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

48309182680 is a wasteful number, since it uses less digits than its factorization.

48309182680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109793619 (or 109793615 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 48309182680 in words is "forty-eight billion, three hundred nine million, one hundred eighty-two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 109793597 219587194 439174388 548967985 878348776 1097935970 1207729567 2195871940 2415459134 4391743880 4830918268 6038647835 9661836536 12077295670 24154591340 48309182680