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144540132312 = 2337976234247
BaseRepresentation
bin1000011010011101000…
…0110110001111011000
3111211002020202111102210
42012213100312033120
54332004233213222
6150222324355120
713304560565442
oct2064720661730
9454066674383
10144540132312
1156332155804
122401a245aa0
131082637a614
146dd25c3492
153b5e5dad0c
hex21a74363d8

144540132312 has 32 divisors (see below), whose sum is σ = 365924390400. Its totient is φ = 47570169504.

The previous prime is 144540132301. The next prime is 144540132323. The reversal of 144540132312 is 213231045441.

It is an interprime number because it is at equal distance from previous prime (144540132301) and next prime (144540132323).

It is a self number, because there is not a number n which added to its sum of digits gives 144540132312.

It is a congruent number.

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, 38115228 + ... + 38119019.

It is an arithmetic number, because the mean of its divisors is an integer number (11435137200).

Almost surely, 2144540132312 is an apocalyptic number.

144540132312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144540132312 is an abundant number, since it is smaller than the sum of its proper divisors (221384258088).

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

144540132312 is a wasteful number, since it uses less digits than its factorization.

144540132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76234335 (or 76234331 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 144540132312 its reverse (213231045441), we get a palindrome (357771177753).

The spelling of 144540132312 in words is "one hundred forty-four billion, five hundred forty million, one hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 79 158 237 316 474 632 948 1896 76234247 152468494 228702741 304936988 457405482 609873976 914810964 1829621928 6022505513 12045011026 18067516539 24090022052 36135033078 48180044104 72270066156 144540132312