Search a number
-
+
63078648516020 = 22531283359504437
BaseRepresentation
bin11100101011110101001000…
…11100000000110110110100
322021100021000110201100221002
432111322210130000312310
531231440033010003040
6342053533040342432
716200165466515554
oct1625724434006664
9267307013640832
1063078648516020
111910a5606a2a55
1270a9093914a18
1329273a2520527
141181046ac5164
15745c48d05a15
hex395ea4700db4

63078648516020 has 48 divisors (see below), whose sum is σ = 137221405966848. Its totient is φ = 24331260228480.

The previous prime is 63078648516011. The next prime is 63078648516031. The reversal of 63078648516020 is 2061584687036.

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, 179576759 + ... + 179927678.

It is an arithmetic number, because the mean of its divisors is an integer number (2858779290976).

Almost surely, 263078648516020 is an apocalyptic number.

It is an amenable number.

63078648516020 is an abundant number, since it is smaller than the sum of its proper divisors (74142757450828).

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

63078648516020 is a wasteful number, since it uses less digits than its factorization.

63078648516020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359504760 (or 359504758 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 63078648516020 in words is "sixty-three trillion, seventy-eight billion, six hundred forty-eight million, five hundred sixteen thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 283 310 566 620 1132 1415 2830 5660 8773 17546 35092 43865 87730 175460 359504437 719008874 1438017748 1797522185 3595044370 7190088740 11144637547 22289275094 44578550188 55723187735 101739755671 111446375470 203479511342 222892750940 406959022684 508698778355 1017397556710 2034795113420 3153932425801 6307864851602 12615729703204 15769662129005 31539324258010 63078648516020