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1801484918036 = 222813581447569
BaseRepresentation
bin11010001101110000110…
…111100101110100010100
320101012221120200211001222
4122031300313211310110
5214003420114334121
63455331333505512
7244103322102116
oct32156067456424
96335846624058
101801484918036
116350072a9581
122511817a2298
13100b57a8672b
1463299aa73b6
1531cda0c40ab
hex1a370de5d14

1801484918036 has 24 divisors (see below), whose sum is σ = 3164708390760. Its totient is φ = 897284326400.

The previous prime is 1801484917951. The next prime is 1801484918059. The reversal of 1801484918036 is 6308194841081.

It can be written as a sum of positive squares in 4 ways, for example, as 386113104400 + 1415371813636 = 621380^2 + 1189694^2 .

It is a super-2 number, since 2×18014849180362 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3801260 + ... + 4248828.

It is an arithmetic number, because the mean of its divisors is an integer number (131862849615).

Almost surely, 21801484918036 is an apocalyptic number.

It is an amenable number.

1801484918036 is a deficient number, since it is larger than the sum of its proper divisors (1363223472724).

1801484918036 is a wasteful number, since it uses less digits than its factorization.

1801484918036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451435 (or 451433 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 1801484918036 in words is "one trillion, eight hundred one billion, four hundred eighty-four million, nine hundred eighteen thousand, thirty-six".

Divisors: 1 2 4 281 562 1124 3581 7162 14324 447569 895138 1006261 1790276 2012522 4025044 125766889 251533778 503067556 1602744589 3205489178 6410978356 450371229509 900742459018 1801484918036