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84069309204 = 223237619101963
BaseRepresentation
bin100111001001011101…
…0111101101100010100
322000222221020101210200
41032102322331230110
52334133220343304
6102342041020500
76034213223556
oct1162272755424
9260887211720
1084069309204
1132720a2a341
1214362784730
137c0a21279a
1440d73b14d6
1522c0884e39
hex1392ebdb14

84069309204 has 72 divisors (see below), whose sum is σ = 218606737440. Its totient is φ = 27221406912.

The previous prime is 84069309161. The next prime is 84069309221. The reversal of 84069309204 is 40290396048.

84069309204 is a `hidden beast` number, since 8 + 406 + 9 + 30 + 9 + 204 = 666.

It is a super-2 number, since 2×840693092042 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84069309204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 773527 + ... + 875489.

Almost surely, 284069309204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84069309204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109303368720).

84069309204 is an abundant number, since it is smaller than the sum of its proper divisors (134537428236).

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

84069309204 is a wasteful number, since it uses less digits than its factorization.

84069309204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102629 (or 102624 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 84069309204 in words is "eighty-four billion, sixty-nine million, three hundred nine thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 619 666 1238 1332 1857 2476 3714 5571 7428 11142 22284 22903 45806 68709 91612 101963 137418 203926 206127 274836 305889 407852 412254 611778 824508 917667 1223556 1835334 3670668 3772631 7545262 11317893 15090524 22635786 33953679 45271572 63115097 67907358 126230194 135814716 189345291 252460388 378690582 568035873 757381164 1136071746 2272143492 2335258589 4670517178 7005775767 9341034356 14011551534 21017327301 28023103068 42034654602 84069309204