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228555100680 = 233510318491513
BaseRepresentation
bin1101010011011011110…
…0100001001000001000
3210211221101202002121220
43110312330201020020
512221040101210210
6252555145002040
722340544205254
oct3246674411010
9724841662556
10228555100680
1188a25439a65
1238366783320
1318725244c5a
14b0c268b264
155e2a2d9c70
hex3536f21208

228555100680 has 64 divisors (see below), whose sum is σ = 692322284160. Its totient is φ = 60356295168.

The previous prime is 228555100651. The next prime is 228555100681. The reversal of 228555100680 is 86001555822.

It is not an unprimeable number, because it can be changed into a prime (228555100681) 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, 9233397 + ... + 9258116.

It is an arithmetic number, because the mean of its divisors is an integer number (10817535690).

Almost surely, 2228555100680 is an apocalyptic number.

228555100680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228555100680 is an abundant number, since it is smaller than the sum of its proper divisors (463767183480).

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

228555100680 is a wasteful number, since it uses less digits than its factorization.

228555100680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18491630 (or 18491626 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The spelling of 228555100680 in words is "two hundred twenty-eight billion, five hundred fifty-five million, one hundred thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 103 120 206 309 412 515 618 824 1030 1236 1545 2060 2472 3090 4120 6180 12360 18491513 36983026 55474539 73966052 92457565 110949078 147932104 184915130 221898156 277372695 369830260 443796312 554745390 739660520 1109490780 1904625839 2218981560 3809251678 5713877517 7618503356 9523129195 11427755034 15237006712 19046258390 22855510068 28569387585 38092516780 45711020136 57138775170 76185033560 114277550340 228555100680