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4487738987485 = 513219377554671
BaseRepresentation
bin100000101001110001000…
…0101101001001111011101
3120220000122020122102222001
41001103202011221033131
51042011342140044420
613313345553122301
7642141232666345
oct101234205511735
916800566572861
104487738987485
11148026a732976
12605906859391
132672659b4900
141172c9dddd25
157bb0a4b0b0a
hex414e21693dd

4487738987485 has 48 divisors (see below), whose sum is σ = 6304222690560. Its totient is φ = 3054745923840.

The previous prime is 4487738987467. The next prime is 4487738987503. The reversal of 4487738987485 is 5847898377844.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4487738987467) and next prime (4487738987503).

It is not a de Polignac number, because 4487738987485 - 27 = 4487738987357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4487738987399 and 4487738987408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3183301 + ... + 4371370.

It is an arithmetic number, because the mean of its divisors is an integer number (131337972720).

Almost surely, 24487738987485 is an apocalyptic number.

It is an amenable number.

4487738987485 is a deficient number, since it is larger than the sum of its proper divisors (1816483703075).

4487738987485 is a wasteful number, since it uses less digits than its factorization.

4487738987485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7554758 (or 7554745 counting only the distinct ones).

The product of its digits is 12138577920, while the sum is 82.

The spelling of 4487738987485 in words is "four trillion, four hundred eighty-seven billion, seven hundred thirty-eight million, nine hundred eighty-seven thousand, four hundred eighty-five".

Divisors: 1 5 13 19 37 65 95 169 185 247 481 703 845 1235 2405 3211 3515 6253 9139 16055 31265 45695 118807 594035 7554671 37773355 98210723 143538749 279522827 491053615 717693745 1276739399 1397614135 1866003737 3633796751 5310933713 6383696995 9330018685 18168983755 24258048581 26554668565 47239357763 69042138269 121290242905 236196788815 345210691345 897547797497 4487738987485