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20589014271378 = 2372317220916911
BaseRepresentation
bin1001010111001110000001…
…11000011100010110010010
32200220021211210201201120010
410223213000320130112102
510144312300123141003
6111442243530055350
74223335652513400
oct453470070342622
980807753651503
1020589014271378
11661882a890073
12238635727a556
13b646c6c726b7
145127294a8470
1525a87a533003
hex12b9c0e1c592

20589014271378 has 48 divisors (see below), whose sum is σ = 48052079362944. Its totient is φ = 5864018459040.

The previous prime is 20589014271377. The next prime is 20589014271389. The reversal of 20589014271378 is 87317241098502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20589014271377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110365258 + ... + 110551653.

It is an arithmetic number, because the mean of its divisors is an integer number (1001084986728).

Almost surely, 220589014271378 is an apocalyptic number.

20589014271378 is an abundant number, since it is smaller than the sum of its proper divisors (27463065091566).

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

20589014271378 is a wasteful number, since it uses less digits than its factorization.

20589014271378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220917247 (or 220917240 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 20589014271378 in words is "twenty trillion, five hundred eighty-nine billion, fourteen million, two hundred seventy-one thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 317 634 951 1902 2219 4438 6657 13314 15533 31066 46599 93198 220916911 441833822 662750733 1325501466 1546418377 3092836754 4639255131 9278510262 10824928639 21649857278 32474785917 64949571834 70030660787 140061321574 210091982361 420183964722 490214625509 980429251018 1470643876527 2941287753054 3431502378563 6863004757126 10294507135689 20589014271378