Search a number
-
+
144111211302440 = 2356919152070071
BaseRepresentation
bin100000110001000110000001…
…100011101100111000101000
3200220020220020002121202110202
4200301012001203230320220
5122342104230043134230
61230255435421131332
742232456105543514
oct4061060143547050
9626226202552422
10144111211302440
1141a11248899418
12141b58750b9b48
136254823956b25
14278303c643144
15119d9e3aada45
hex8311818ece28

144111211302440 has 32 divisors (see below), whose sum is σ = 324254917964160. Its totient is φ = 57643650292800.

The previous prime is 144111211302403. The next prime is 144111211302469. The reversal of 144111211302440 is 44203112111441.

It is a super-2 number, since 2×1441112113024402 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23267396 + ... + 28802675.

It is an arithmetic number, because the mean of its divisors is an integer number (10132966186380).

Almost surely, 2144111211302440 is an apocalyptic number.

144111211302440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144111211302440 is an abundant number, since it is smaller than the sum of its proper divisors (180143706661720).

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

144111211302440 is a wasteful number, since it uses less digits than its factorization.

144111211302440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52139273 (or 52139269 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 144111211302440 its reverse (44203112111441), we get a palindrome (188314323413881).

The spelling of 144111211302440 in words is "one hundred forty-four trillion, one hundred eleven billion, two hundred eleven million, three hundred two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 69191 138382 276764 345955 553528 691910 1383820 2767640 52070071 104140142 208280284 260350355 416560568 520700710 1041401420 2082802840 3602780282561 7205560565122 14411121130244 18013901412805 28822242260488 36027802825610 72055605651220 144111211302440