Search a number
-
+
28833865770 = 2352591370949
BaseRepresentation
bin11010110110101000…
…011110000000101010
32202102111000010221110
4122312220132000222
5433022432201040
621125053451150
72040346546413
oct326650360052
982374003843
1028833865770
1111256a69136
1257084a0ab6
1329468ca348
14157761280a
15b3b57c980
hex6b6a1e02a

28833865770 has 32 divisors (see below), whose sum is σ = 69228172800. Its totient is φ = 7686042560.

The previous prime is 28833865763. The next prime is 28833865789. The reversal of 28833865770 is 7756833882.

It is a self number, because there is not a number n which added to its sum of digits gives 28833865770.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107745 + ... + 263204.

It is an arithmetic number, because the mean of its divisors is an integer number (2163380400).

Almost surely, 228833865770 is an apocalyptic number.

28833865770 is an abundant number, since it is smaller than the sum of its proper divisors (40394307030).

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

28833865770 is a wasteful number, since it uses less digits than its factorization.

28833865770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373550.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 28833865770 in words is "twenty-eight billion, eight hundred thirty-three million, eight hundred sixty-five thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 2591 5182 7773 12955 15546 25910 38865 77730 370949 741898 1112847 1854745 2225694 3709490 5564235 11128470 961128859 1922257718 2883386577 4805644295 5766773154 9611288590 14416932885 28833865770