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30825083320 = 2353726379193
BaseRepresentation
bin11100101101010100…
…010111000110111000
32221120020211110220121
4130231110113012320
51001112210131240
622054424303024
72140605612403
oct345524270670
987506743817
1030825083320
1112088a57379
125b83311a74
132ba32bb095
1416c5c62d3a
15c062a804a
hex72d5171b8

30825083320 has 64 divisors (see below), whose sum is σ = 71502678720. Its totient is φ = 11951023104.

The previous prime is 30825083309. The next prime is 30825083321. The reversal of 30825083320 is 2338052803.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30825083321) 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, 349644 + ... + 428836.

It is an arithmetic number, because the mean of its divisors is an integer number (1117229355).

Almost surely, 230825083320 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 30825083320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35751339360).

30825083320 is an abundant number, since it is smaller than the sum of its proper divisors (40677595400).

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

30825083320 is a wasteful number, since it uses less digits than its factorization.

30825083320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79504 (or 79500 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 30825083320 in words is "thirty billion, eight hundred twenty-five million, eighty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 263 296 370 526 740 1052 1315 1480 2104 2630 5260 9731 10520 19462 38924 48655 77848 79193 97310 158386 194620 316772 389240 395965 633544 791930 1583860 2930141 3167720 5860282 11720564 14650705 20827759 23441128 29301410 41655518 58602820 83311036 104138795 117205640 166622072 208277590 416555180 770627083 833110360 1541254166 3082508332 3853135415 6165016664 7706270830 15412541660 30825083320