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49789600770 = 23571330759407
BaseRepresentation
bin101110010111101100…
…010000010000000010
311202111220220210010210
4232113230100100002
51303432114211040
634512323534550
73411555423630
oct562754202002
9152456823123
1049789600770
111a12aa27a98
12979652a456
1349062b4240
1425a4802350
151466184480
hexb97b10402

49789600770 has 128 divisors (see below), whose sum is σ = 147552362496. Its totient is φ = 10470663936.

The previous prime is 49789600759. The next prime is 49789600771. The reversal of 49789600770 is 7700698794.

It is a self number, because there is not a number n which added to its sum of digits gives 49789600770.

It is not an unprimeable number, because it can be changed into a prime (49789600771) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 808407 + ... + 867813.

It is an arithmetic number, because the mean of its divisors is an integer number (1152752832).

Almost surely, 249789600770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49789600770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73776181248).

49789600770 is an abundant number, since it is smaller than the sum of its proper divisors (97762761726).

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

49789600770 is a wasteful number, since it uses less digits than its factorization.

49789600770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59744.

The product of its (nonzero) digits is 5334336, while the sum is 57.

The spelling of 49789600770 in words is "forty-nine billion, seven hundred eighty-nine million, six hundred thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 307 390 455 546 614 910 921 1365 1535 1842 2149 2730 3070 3991 4298 4605 6447 7982 9210 10745 11973 12894 19955 21490 23946 27937 32235 39910 55874 59407 59865 64470 83811 118814 119730 139685 167622 178221 279370 297035 356442 415849 419055 594070 772291 831698 838110 891105 1247547 1544582 1782210 2079245 2316873 2495094 3861455 4158490 4633746 5406037 6237735 7722910 10812074 11584365 12475470 16218111 18237949 23168730 27030185 32436222 36475898 54060370 54713847 81090555 91189745 109427694 127665643 162181110 182379490 237093337 255331286 273569235 382996929 474186674 547138470 638328215 711280011 765993858 1185466685 1276656430 1422560022 1659653359 1914984645 2370933370 3319306718 3556400055 3829969290 4978960077 7112800110 8298266795 9957920154 16596533590 24894800385 49789600770