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20354137671412 = 227191994782351
BaseRepresentation
bin1001010000011000100010…
…01001010100011011110100
32200001211120211222012011001
410220030101021110123310
510131440233220441122
6111142321201253044
74200352335405046
oct450142111243364
980054524865131
1020354137671412
1165381610a2136
122348927634184
13b4850517722c
1450520743da96
152546d02a6527
hex1283112546f4

20354137671412 has 48 divisors (see below), whose sum is σ = 36199356641280. Its totient is φ = 10012106412000.

The previous prime is 20354137671377. The next prime is 20354137671457. The reversal of 20354137671412 is 21417673145302.

It is a super-2 number, since 2×203541376714122 (a number of 27 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 15 ways as a sum of consecutive naturals, for example, 247122037 + ... + 247204387.

It is an arithmetic number, because the mean of its divisors is an integer number (754153263360).

Almost surely, 220354137671412 is an apocalyptic number.

It is an amenable number.

20354137671412 is a deficient number, since it is larger than the sum of its proper divisors (15845218969868).

20354137671412 is a wasteful number, since it uses less digits than its factorization.

20354137671412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84292 (or 84290 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 20354137671412 in words is "twenty trillion, three hundred fifty-four billion, one hundred thirty-seven million, six hundred seventy-one thousand, four hundred twelve".

Divisors: 1 2 4 71 142 284 919 947 1838 1894 3676 3788 65249 67237 82351 130498 134474 164702 260996 268948 329404 870293 1740586 3481172 5846921 11693842 23387684 61790803 75680569 77986397 123581606 151361138 155972794 247163212 302722276 311945588 5373320399 5537034187 10746640798 11074068374 21493281596 22148136748 71669498843 143338997686 286677995372 5088534417853 10177068835706 20354137671412