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50660070660 = 2232513911631741
BaseRepresentation
bin101111001011100100…
…110101010100000100
311211202120212020100100
4233023210311110010
51312222434230120
635134541044100
73442255332003
oct571344652404
9154676766310
1050660070660
111a53731a9a1
129999b56630
134a1473b794
142648272c3a
1514b77cb490
hexbcb935504

50660070660 has 144 divisors (see below), whose sum is σ = 154996470720. Its totient is φ = 13392933120.

The previous prime is 50660070647. The next prime is 50660070661. The reversal of 50660070660 is 6607006605.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (50660070661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29097390 + ... + 29099130.

It is an arithmetic number, because the mean of its divisors is an integer number (1076364380).

Almost surely, 250660070660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50660070660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77498235360).

50660070660 is an abundant number, since it is smaller than the sum of its proper divisors (104336400060).

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

50660070660 is a wasteful number, since it uses less digits than its factorization.

50660070660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058 (or 3053 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 50660070660 in words is "fifty billion, six hundred sixty million, seventy thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 139 180 278 417 556 695 834 1163 1251 1390 1668 1741 2085 2326 2502 2780 3482 3489 4170 4652 5004 5223 5815 6255 6964 6978 8340 8705 10446 10467 11630 12510 13956 15669 17410 17445 20892 20934 23260 25020 26115 31338 34820 34890 41868 52230 52335 62676 69780 78345 104460 104670 156690 161657 209340 241999 313380 323314 483998 484971 646628 725997 808285 967996 969942 1209995 1451994 1454913 1616570 1939884 2024783 2177991 2419990 2424855 2903988 2909826 3233140 3629985 4049566 4355982 4839980 4849710 5819652 6074349 7259970 7274565 8099132 8711964 9699420 10123915 10889955 12148698 14519940 14549130 18223047 20247830 21779910 24297396 29098260 30371745 36446094 40495660 43559820 60743490 72892188 91115235 121486980 182230470 281444837 364460940 562889674 844334511 1125779348 1407224185 1688669022 2533003533 2814448370 3377338044 4221672555 5066007066 5628896740 8443345110 10132014132 12665017665 16886690220 25330035330 50660070660