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1488320985437 = 1113171097558091
BaseRepresentation
bin10101101010000110110…
…101111111100101011101
312021021121122111201121122
4111222012311333211131
5143341040133013222
63055420351540325
7212345660433266
oct25520665774535
95237548451548
101488320985437
11524214439940
1220054382a6a5
13aa46a9196c0
145206c52596d
1528aabdd0a42
hex15a86d7f95d

1488320985437 has 32 divisors (see below), whose sum is σ = 1853061888384. Its totient is φ = 1174399948800.

The previous prime is 1488320985427. The next prime is 1488320985467. The reversal of 1488320985437 is 7345890238841.

It is not a de Polignac number, because 1488320985437 - 24 = 1488320985421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1488320985437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1488320985407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2387762 + ... + 2945852.

It is an arithmetic number, because the mean of its divisors is an integer number (57908184012).

Almost surely, 21488320985437 is an apocalyptic number.

1488320985437 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1488320985437 is a deficient number, since it is larger than the sum of its proper divisors (364740902947).

1488320985437 is a wasteful number, since it uses less digits than its factorization.

1488320985437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559229.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 1488320985437 in words is "one trillion, four hundred eighty-eight billion, three hundred twenty million, nine hundred eighty-five thousand, four hundred thirty-seven".

Divisors: 1 11 13 17 143 187 221 1097 2431 12067 14261 18649 156871 205139 242437 558091 2666807 6139001 7255183 9487547 79807013 104363017 123338111 612225827 1356719221 6734484097 7958935751 10407839059 87548293261 114486229649 135301907767 1488320985437