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2987601078 = 2371121930941
BaseRepresentation
bin1011001000010011…
…0010110010110110
321201012200212012210
42302010302302312
522104311213303
61212242354250
7134015122140
oct26204626266
97635625183
102987601078
1112a3471a00
126b465b986
13387c62ab7
14204ad9c90
15127445203
hexb2132cb6

2987601078 has 96 divisors (see below), whose sum is σ = 7901349120. Its totient is φ = 735134400.

The previous prime is 2987601061. The next prime is 2987601091. The reversal of 2987601078 is 8701067892.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81088 + ... + 112028.

It is an arithmetic number, because the mean of its divisors is an integer number (82305720).

Almost surely, 22987601078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2987601078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3950674560).

2987601078 is an abundant number, since it is smaller than the sum of its proper divisors (4913748042).

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

2987601078 is a wasteful number, since it uses less digits than its factorization.

2987601078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30994 (or 30983 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The square root of 2987601078 is about 54658.9524048897. The cubic root of 2987601078 is about 1440.2599000410.

The spelling of 2987601078 in words is "two billion, nine hundred eighty-seven million, six hundred one thousand, seventy-eight".

Divisors: 1 2 3 6 7 11 14 19 21 22 33 38 42 57 66 77 114 121 133 154 209 231 242 266 363 399 418 462 627 726 798 847 1254 1463 1694 2299 2541 2926 4389 4598 5082 6897 8778 13794 16093 30941 32186 48279 61882 92823 96558 185646 216587 340351 433174 587879 649761 680702 1021053 1175758 1299522 1763637 2042106 2382457 3527274 3743861 4115153 4764914 6466669 7147371 7487722 8230306 11231583 12345459 12933338 14294742 19400007 22463166 24690918 26207027 38800014 45266683 52414054 71133359 78621081 90533366 135800049 142266718 157242162 213400077 271600098 426800154 497933513 995867026 1493800539 2987601078