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230502470280 = 233517112991407
BaseRepresentation
bin1101011010101100000…
…1001001001010001000
3211000222010001201111220
43112223001021022020
512234032113022110
6253520311522040
722440031445535
oct3265301111210
9730863051456
10230502470280
11898346a9625
123880a989320
1318975822864
14b229165d8c
155ee1253370
hex35ab049288

230502470280 has 64 divisors (see below), whose sum is σ = 732184323840. Its totient is φ = 57851599872.

The previous prime is 230502470279. The next prime is 230502470293. The reversal of 230502470280 is 82074205032.

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, 56493664 + ... + 56497743.

It is an arithmetic number, because the mean of its divisors is an integer number (11440380060).

Almost surely, 2230502470280 is an apocalyptic number.

230502470280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230502470280 is an abundant number, since it is smaller than the sum of its proper divisors (501681853560).

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

230502470280 is a wasteful number, since it uses less digits than its factorization.

230502470280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112991438 (or 112991434 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The spelling of 230502470280 in words is "two hundred thirty billion, five hundred two million, four hundred seventy thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 170 204 255 340 408 510 680 1020 2040 112991407 225982814 338974221 451965628 564957035 677948442 903931256 1129914070 1355896884 1694871105 1920853919 2259828140 2711793768 3389742210 3841707838 4519656280 5762561757 6779484420 7683415676 9604269595 11525123514 13558968840 15366831352 19208539190 23050247028 28812808785 38417078380 46100494056 57625617570 76834156760 115251235140 230502470280