Search a number
-
+
30202302001312 = 257169779452979
BaseRepresentation
bin1101101111000000001010…
…11110110111000010100000
310221221022102100121020010101
412313200011132313002200
512424313303303020222
6144122425045112144
76235021125131260
oct667400536670240
9127838370536111
1030202302001312
1196947a711a981
1234794a99b8654
1313b10ac65447c
14765b2909b7a0
153759703b7927
hex1b78057b70a0

30202302001312 has 48 divisors (see below), whose sum is σ = 67995224660160. Its totient is φ = 12936216066048.

The previous prime is 30202302001253. The next prime is 30202302001321. The reversal of 30202302001312 is 21310020320203.

It is a self number, because there is not a number n which added to its sum of digits gives 30202302001312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39346362 + ... + 40106617.

It is an arithmetic number, because the mean of its divisors is an integer number (1416567180420).

Almost surely, 230202302001312 is an apocalyptic number.

30202302001312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30202302001312 is an abundant number, since it is smaller than the sum of its proper divisors (37792922658848).

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

30202302001312 is a wasteful number, since it uses less digits than its factorization.

30202302001312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79454693 (or 79454685 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30202302001312 its reverse (21310020320203), we get a palindrome (51512322321515).

The spelling of 30202302001312 in words is "thirty trillion, two hundred two billion, three hundred two million, one thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 1697 3394 6788 11879 13576 23758 27152 47516 54304 95032 190064 380128 79452979 158905958 317811916 556170853 635623832 1112341706 1271247664 2224683412 2542495328 4449366824 8898733648 17797467296 134831705363 269663410726 539326821452 943821937541 1078653642904 1887643875082 2157307285808 3775287750164 4314614571616 7550575500328 15101151000656 30202302001312