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640567222481241 = 3211131454710862587
BaseRepresentation
bin1001000110100101111010110…
…1110000000011000101011001
310010000001121222002222202200200
42101221132231300003011121
51132430023132423344431
610150212304115052413
7251632311632006556
oct22151365560030531
93100047862882620
10640567222481241
111761170405a0630
125ba162768a1109
13216572cb0b1173
14b427894731a2d
154e0c954384ee6
hex24697adc03159

640567222481241 has 48 divisors (see below), whose sum is σ = 1017307610212608. Its totient is φ = 385174264456800.

The previous prime is 640567222481209. The next prime is 640567222481279. The reversal of 640567222481241 is 142184222765046.

640567222481241 is a `hidden beast` number, since 6 + 4 + 0 + 56 + 72 + 2 + 2 + 481 + 2 + 41 = 666.

It is not a de Polignac number, because 640567222481241 - 25 = 640567222481209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (640567222481281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53538750 + ... + 64401336.

It is an arithmetic number, because the mean of its divisors is an integer number (21193908546096).

Almost surely, 2640567222481241 is an apocalyptic number.

It is an amenable number.

640567222481241 is a deficient number, since it is larger than the sum of its proper divisors (376740387731367).

640567222481241 is a wasteful number, since it uses less digits than its factorization.

640567222481241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10867282 (or 10867279 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 54.

The spelling of 640567222481241 in words is "six hundred forty trillion, five hundred sixty-seven billion, two hundred twenty-two million, four hundred eighty-one thousand, two hundred forty-one".

Divisors: 1 3 9 11 33 99 131 393 1179 1441 4323 4547 12969 13641 40923 50017 150051 450153 595657 1786971 5360913 6552227 10862587 19656681 32587761 58970043 97763283 119488457 358465371 1075396113 1422998897 4268996691 12806990073 15652987867 46958963601 49392183089 140876890803 148176549267 444529647801 543314013979 1629942041937 4889826125811 6470375984659 19411127953977 58233383861931 71174135831249 213522407493747 640567222481241