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345236089020 = 223523892810911
BaseRepresentation
bin1010000011000011010…
…11001010100010111100
31020000010002121110001120
411001201223022202330
521124020414322040
6422333235310540
733641162223654
oct5014153124274
91200102543046
10345236089020
11123460854539
1256aaaa4b450
132672b9216a4
14129d0ca9364
158ea8bd47d0
hex5061aca8bc

345236089020 has 96 divisors (see below), whose sum is σ = 1020023746560. Its totient is φ = 87070748160.

The previous prime is 345236089007. The next prime is 345236089027. The reversal of 345236089020 is 20980632543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345236089027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1282636 + ... + 1528275.

It is an arithmetic number, because the mean of its divisors is an integer number (10625247360).

Almost surely, 2345236089020 is an apocalyptic number.

345236089020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345236089020 is an abundant number, since it is smaller than the sum of its proper divisors (674787657540).

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

345236089020 is a wasteful number, since it uses less digits than its factorization.

345236089020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811035 (or 2811033 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 345236089020 in words is "three hundred forty-five billion, two hundred thirty-six million, eighty-nine thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 89 92 115 138 178 230 267 276 345 356 445 460 534 690 890 1068 1335 1380 1780 2047 2670 4094 5340 6141 8188 10235 12282 20470 24564 30705 40940 61410 122820 2810911 5621822 8432733 11243644 14054555 16865466 28109110 33730932 42163665 56218220 64650953 84327330 129301906 168654660 193952859 250171079 258603812 323254765 387905718 500342158 646509530 750513237 775811436 969764295 1000684316 1250855395 1293019060 1501026474 1939528590 2501710790 3002052948 3752566185 3879057180 5003421580 5753934817 7505132370 11507869634 15010264740 17261804451 23015739268 28769674085 34523608902 57539348170 69047217804 86309022255 115078696340 172618044510 345236089020