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331212561204030 = 2351119169483311683
BaseRepresentation
bin100101101001111000110111…
…1000011100100001100111110
31121102201121111212110201212120
41023103301233003210030332
5321403041311132012110
63132232541114143410
7126523214013303402
oct11323615703441476
91542647455421776
10331212561204030
1196597505119120
1231193268721b66
13112a729762766c
145bb0ab8693102
1528458eae9b870
hex12d3c6f0e433e

331212561204030 has 128 divisors (see below), whose sum is σ = 912823794247680. Its totient is φ = 76067263762560.

The previous prime is 331212561203989. The next prime is 331212561204043. The reversal of 331212561204030 is 30402165212133.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 331212561203982 and 331212561204000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1062502569 + ... + 1062814251.

It is an arithmetic number, because the mean of its divisors is an integer number (7131435892560).

Almost surely, 2331212561204030 is an apocalyptic number.

331212561204030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331212561204030 is an abundant number, since it is smaller than the sum of its proper divisors (581611233043650).

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

331212561204030 is a wasteful number, since it uses less digits than its factorization.

331212561204030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481206.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 331212561204030 in words is "three hundred thirty-one trillion, two hundred twelve billion, five hundred sixty-one million, two hundred four thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 19 22 30 33 38 55 57 66 95 110 114 165 190 209 285 330 418 570 627 1045 1254 2090 3135 6270 169483 311683 338966 508449 623366 847415 935049 1016898 1558415 1694830 1864313 1870098 2542245 3116830 3220177 3428513 3728626 4675245 5084490 5592939 5921977 6440354 6857026 9321565 9350490 9660531 10285539 11185878 11843954 16100885 17142565 17765931 18643130 19321062 20571078 27964695 29609885 32201770 34285130 35421947 35531862 48302655 51427695 55929390 59219770 65141747 70843894 88829655 96605310 102855390 106265841 130283494 177109735 177659310 195425241 212531682 325708735 354219470 390850482 531329205 651417470 977126205 1062658410 1954252410 52824969889 105649939778 158474909667 264124849445 316949819334 528249698890 581074668779 792374548335 1003674427891 1162149337558 1584749096670 1743224006337 2007348855782 2905373343895 3011023283673 3486448012674 5018372139455 5810746687790 6022046567346 8716120031685 10036744278910 11040418706801 15055116418365 17432240063370 22080837413602 30110232836730 33121256120403 55202093534005 66242512240806 110404187068010 165606280602015 331212561204030