Search a number
-
+
30761783332 = 22719577100213
BaseRepresentation
bin11100101001100010…
…111001000000100100
32221101211201111122121
4130221202321000210
51001000004031312
622044243435324
72136206562340
oct345142710044
987354644577
1030761783332
1112056252135
125b66085b44
132b93157077
1416bb6a6620
15c00952707
hex7298b9024

30761783332 has 48 divisors (see below), whose sum is σ = 64874535040. Its totient is φ = 12467976192.

The previous prime is 30761783309. The next prime is 30761783341. The reversal of 30761783332 is 23338716703.

It is a happy number.

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, 256858 + ... + 357070.

Almost surely, 230761783332 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 30761783332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32437267520).

30761783332 is an abundant number, since it is smaller than the sum of its proper divisors (34112751708).

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

30761783332 is a wasteful number, since it uses less digits than its factorization.

30761783332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100820 (or 100818 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 30761783332 in words is "thirty billion, seven hundred sixty-one million, seven hundred eighty-three thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 577 1154 2308 4039 8078 10963 16156 21926 43852 76741 100213 153482 200426 306964 400852 701491 1402982 1904047 2805964 3808094 7616188 13328329 26656658 53313316 57822901 115645802 231291604 404760307 809520614 1098635119 1619041228 2197270238 4394540476 7690445833 15380891666 30761783332