Search a number
-
+
30101302320 = 2435891409237
BaseRepresentation
bin11100000010001011…
…010110110000110000
32212200210220121000220
4130002023112300300
5443121413133240
621454531213040
72113636563615
oct340213266060
985623817026
1030101302320
1111847444a61
125a00a47180
132ab93735bb
141657a9850c
15bb29895d0
hex7022d6c30

30101302320 has 80 divisors (see below), whose sum is σ = 94362576480. Its totient is φ = 7936817152.

The previous prime is 30101302313. The next prime is 30101302339. The reversal of 30101302320 is 2320310103.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30101302320.

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, 683259 + ... + 725978.

It is an arithmetic number, because the mean of its divisors is an integer number (1179532206).

Almost surely, 230101302320 is an apocalyptic number.

30101302320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30101302320 is an abundant number, since it is smaller than the sum of its proper divisors (64261274160).

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

30101302320 is a wasteful number, since it uses less digits than its factorization.

30101302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409342 (or 1409336 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30101302320 its reverse (2320310103), we get a palindrome (32421612423).

The spelling of 30101302320 in words is "thirty billion, one hundred one million, three hundred two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 89 120 178 240 267 356 445 534 712 890 1068 1335 1424 1780 2136 2670 3560 4272 5340 7120 10680 21360 1409237 2818474 4227711 5636948 7046185 8455422 11273896 14092370 16910844 21138555 22547792 28184740 33821688 42277110 56369480 67643376 84554220 112738960 125422093 169108440 250844186 338216880 376266279 501688372 627110465 752532558 1003376744 1254220930 1505065116 1881331395 2006753488 2508441860 3010130232 3762662790 5016883720 6020260464 7525325580 10033767440 15050651160 30101302320