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144004260505216 = 2717257257503613
BaseRepresentation
bin100000101111100010011010…
…110010110010011010000000
3200212212200011111211022221211
4200233202122302302122000
5122333331211142131331
61230134351034255504
742221651551013206
oct4057423262623200
9625780144738854
10144004260505216
114197a955965501
1214198ba7587594
13624770b0aaa27
14277bbb43d3076
15119ad345288b1
hex82f89acb2680

144004260505216 has 64 divisors (see below), whose sum is σ = 304940929771080. Its totient is φ = 67503026864128.

The previous prime is 144004260505211. The next prime is 144004260505229. The reversal of 144004260505216 is 612505062400441.

It can be written as a sum of positive squares in 4 ways, for example, as 140385530433600 + 3618730071616 = 11848440^2 + 1902296^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1440042605052162 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144004260505211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128192575 + ... + 129311038.

Almost surely, 2144004260505216 is an apocalyptic number.

144004260505216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144004260505216 is an abundant number, since it is smaller than the sum of its proper divisors (160936669265864).

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

144004260505216 is a wasteful number, since it uses less digits than its factorization.

144004260505216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257503901 (or 257503889 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 144004260505216 in words is "one hundred forty-four trillion, four billion, two hundred sixty million, five hundred five thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 257 272 514 544 1028 1088 2056 2176 4112 4369 8224 8738 16448 17476 32896 34952 69904 139808 279616 559232 257503613 515007226 1030014452 2060028904 4120057808 4377561421 8240115616 8755122842 16480231232 17510245684 32960462464 35020491368 66178428541 70040982736 132356857082 140081965472 264713714164 280163930944 529427428328 560327861888 1058854856656 1125033285197 2117709713312 2250066570394 4235419426624 4500133140788 8470838853248 9000266281576 18000532563152 36001065126304 72002130252608 144004260505216