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53608136880 = 2435239711619
BaseRepresentation
bin110001111011010010…
…110100000010110000
312010101001011111221010
4301323102310002300
51334242140340010
640343252230520
73605313434154
oct617322640260
9163331144833
1053608136880
112080a439761
12a48130b440
13509443b66c
1428479db064
1515db512620
hexc7b4b40b0

53608136880 has 80 divisors (see below), whose sum is σ = 173410686720. Its totient is φ = 13673958144.

The previous prime is 53608136867. The next prime is 53608136887. The reversal of 53608136880 is 8863180635.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×536081368802 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (53608136887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4850290 + ... + 4861329.

It is an arithmetic number, because the mean of its divisors is an integer number (2167633584).

Almost surely, 253608136880 is an apocalyptic number.

It is an amenable number.

53608136880 is an abundant number, since it is smaller than the sum of its proper divisors (119802549840).

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

53608136880 is a wasteful number, since it uses less digits than its factorization.

53608136880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9711658 (or 9711652 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 53608136880 in words is "fifty-three billion, six hundred eight million, one hundred thirty-six thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 40 46 48 60 69 80 92 115 120 138 184 230 240 276 345 368 460 552 690 920 1104 1380 1840 2760 5520 9711619 19423238 29134857 38846476 48558095 58269714 77692952 97116190 116539428 145674285 155385904 194232380 223367237 233078856 291348570 388464760 446734474 466157712 582697140 670101711 776929520 893468948 1116836185 1165394280 1340203422 1786937896 2233672370 2330788560 2680406844 3350508555 3573875792 4467344740 5360813688 6701017110 8934689480 10721627376 13402034220 17869378960 26804068440 53608136880