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231030230132100 = 223527110014395301
BaseRepresentation
bin110100100001111011101010…
…110011001010010110000100
31010022000021101222002001210210
4310201323222303022112010
5220240144402403211400
62135205453355515420
766443245321445010
oct6441735263122604
91108007358061723
10231030230132100
1167682408a66a43
1221ab3258758b70
139bbb098936199
144109ccc249540
151ba995e515950
hexd21eeacca584

231030230132100 has 72 divisors (see below), whose sum is σ = 763939960977088. Its totient is φ = 52806909744000.

The previous prime is 231030230132089. The next prime is 231030230132101. The reversal of 231030230132100 is 1231032030132.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (231030230132101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55007195551 + ... + 55007199750.

Almost surely, 2231030230132100 is an apocalyptic number.

231030230132100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231030230132100 is an abundant number, since it is smaller than the sum of its proper divisors (532909730844988).

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

231030230132100 is a wasteful number, since it uses less digits than its factorization.

231030230132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110014395325 (or 110014395318 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231030230132100 its reverse (1231032030132), we get a palindrome (232261262162232).

The spelling of 231030230132100 in words is "two hundred thirty-one trillion, thirty billion, two hundred thirty million, one hundred thirty-two thousand, one hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 420 525 700 1050 2100 110014395301 220028790602 330043185903 440057581204 550071976505 660086371806 770100767107 1100143953010 1320172743612 1540201534214 1650215929515 2200287906020 2310302301321 2750359882525 3080403068428 3300431859030 3850503835535 4620604602642 5500719765050 6600863718060 7701007671070 8251079647575 9241209205284 11001439530100 11551511506605 15402015342140 16502159295150 19252519177675 23103023013210 33004318590300 38505038355350 46206046026420 57757557533025 77010076710700 115515115066050 231030230132100