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49116991680 = 263355684837
BaseRepresentation
bin101101101111100110…
…011101000011000000
311200210001021200221000
4231233212131003000
51301042422213210
634321455332000
73356110353321
oct555746350300
9150701250830
1049116991680
1119915296909
129629221000
134829b453b3
14253d358448
1514270c2ac0
hexb6f99d0c0

49116991680 has 112 divisors (see below), whose sum is σ = 173273862240. Its totient is φ = 13097862144.

The previous prime is 49116991667. The next prime is 49116991681. The reversal of 49116991680 is 8619961194.

49116991680 is a `hidden beast` number, since 491 + 1 + 6 + 9 + 91 + 68 + 0 = 666.

49116991680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (49116991681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2833779 + ... + 2851058.

Almost surely, 249116991680 is an apocalyptic number.

49116991680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49116991680 is an abundant number, since it is smaller than the sum of its proper divisors (124156870560).

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

49116991680 is a wasteful number, since it uses less digits than its factorization.

49116991680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684863 (or 5684847 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 49116991680 in words is "forty-nine billion, one hundred sixteen million, nine hundred ninety-one thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 135 144 160 180 192 216 240 270 288 320 360 432 480 540 576 720 864 960 1080 1440 1728 2160 2880 4320 8640 5684837 11369674 17054511 22739348 28424185 34109022 45478696 51163533 56848370 68218044 85272555 90957392 102327066 113696740 136436088 153490599 170545110 181914784 204654132 227393480 255817665 272872176 306981198 341090220 363829568 409308264 454786960 511635330 545744352 613962396 682180440 767452995 818616528 909573920 1023270660 1091488704 1227924792 1364360880 1534905990 1637233056 1819147840 2046541320 2455849584 2728721760 3069811980 3274466112 4093082640 4911699168 5457443520 6139623960 8186165280 9823398336 12279247920 16372330560 24558495840 49116991680