Search a number
-
+
30622463880 = 23351009252911
BaseRepresentation
bin11100100001001111…
…011011011110001000
32221001010120100021220
4130201033123132020
51000203322321010
622022345402040
72132565435231
oct344117333610
987033510256
1030622463880
1111a94645398
125b27499320
132b70327718
1416a6d9c088
15be35d2970
hex7213db788

30622463880 has 64 divisors (see below), whose sum is σ = 91958803200. Its totient is φ = 8157864960.

The previous prime is 30622463819. The next prime is 30622463881. The reversal of 30622463880 is 8836422603.

It is not an unprimeable number, because it can be changed into a prime (30622463881) 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, 5376 + ... + 247535.

It is an arithmetic number, because the mean of its divisors is an integer number (1436856300).

Almost surely, 230622463880 is an apocalyptic number.

30622463880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30622463880 is an abundant number, since it is smaller than the sum of its proper divisors (61336339320).

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

30622463880 is a wasteful number, since it uses less digits than its factorization.

30622463880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253934 (or 253930 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 30622463880 in words is "thirty billion, six hundred twenty-two million, four hundred sixty-three thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1009 2018 3027 4036 5045 6054 8072 10090 12108 15135 20180 24216 30270 40360 60540 121080 252911 505822 758733 1011644 1264555 1517466 2023288 2529110 3034932 3793665 5058220 6069864 7587330 10116440 15174660 30349320 255187199 510374398 765561597 1020748796 1275935995 1531123194 2041497592 2551871990 3062246388 3827807985 5103743980 6124492776 7655615970 10207487960 15311231940 30622463880