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49820828928 = 283134990067
BaseRepresentation
bin101110011001100011…
…011000010100000000
311202121002200100010020
4232121203120110000
51304013113011203
634515401133440
73412415026053
oct563143302400
9152532610106
1049820828928
111a146617192
1297a4a8a280
13490c8c9240
1425a8a10a9a
151468ca2153
hexb998d8500

49820828928 has 72 divisors (see below), whose sum is σ = 142795785888. Its totient is φ = 15329482752.

The previous prime is 49820828927. The next prime is 49820828963. The reversal of 49820828928 is 82982802894.

It is a happy number.

It is a super-2 number, since 2×498208289282 (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 (49820828927) 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, 2485050 + ... + 2505017.

It is an arithmetic number, because the mean of its divisors is an integer number (1983274804).

Almost surely, 249820828928 is an apocalyptic number.

49820828928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49820828928 is an abundant number, since it is smaller than the sum of its proper divisors (92974956960).

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

49820828928 is a wasteful number, since it uses less digits than its factorization.

49820828928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990099 (or 4990085 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 60.

The spelling of 49820828928 in words is "forty-nine billion, eight hundred twenty million, eight hundred twenty-eight thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 624 768 832 1248 1664 2496 3328 4992 9984 4990067 9980134 14970201 19960268 29940402 39920536 59880804 64870871 79841072 119761608 129741742 159682144 194612613 239523216 259483484 319364288 389225226 479046432 518966968 638728576 778450452 958092864 1037933936 1277457152 1556900904 1916185728 2075867872 3113801808 3832371456 4151735744 6227603616 8303471488 12455207232 16606942976 24910414464 49820828928