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2254220615240 = 2351123115024131
BaseRepresentation
bin100000110011011010000…
…001001101111001001000
321222111112111210011202022
4200303122001031321020
5243413120434141430
64443324043024012
7321601455036356
oct40633201157110
97874474704668
102254220615240
1179a011851800
12304a71b0b008
13134758b69419
147b167a427d6
153d9865e94e5
hex20cda04de48

2254220615240 has 96 divisors (see below), whose sum is σ = 5754843521280. Its totient is φ = 793274064000.

The previous prime is 2254220615137. The next prime is 2254220615249. The reversal of 2254220615240 is 425160224522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2254220615240.

It is not an unprimeable number, because it can be changed into a prime (2254220615249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7362026 + ... + 7662105.

It is an arithmetic number, because the mean of its divisors is an integer number (59946286680).

Almost surely, 22254220615240 is an apocalyptic number.

2254220615240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2254220615240 is an abundant number, since it is smaller than the sum of its proper divisors (3500622906040).

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

2254220615240 is a wasteful number, since it uses less digits than its factorization.

2254220615240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15024195 (or 15024180 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 2254220615240 its reverse (425160224522), we get a palindrome (2679380839762).

The spelling of 2254220615240 in words is "two trillion, two hundred fifty-four billion, two hundred twenty million, six hundred fifteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 31 40 44 55 62 88 110 121 124 155 220 242 248 310 341 440 484 605 620 682 968 1210 1240 1364 1705 2420 2728 3410 3751 4840 6820 7502 13640 15004 18755 30008 37510 75020 150040 15024131 30048262 60096524 75120655 120193048 150241310 165265441 300482620 330530882 465748061 600965240 661061764 826327205 931496122 1322123528 1652654410 1817919851 1862992244 2328740305 3305308820 3635839702 3725984488 4657480610 5123228671 6610617640 7271679404 9089599255 9314961220 10246457342 14543358808 18179198510 18629922440 20492914684 25616143355 36358397020 40985829368 51232286710 56355515381 72716794040 102464573420 112711030762 204929146840 225422061524 281777576905 450844123048 563555153810 1127110307620 2254220615240