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1493868788988 = 223151824430899
BaseRepresentation
bin10101101111010001100…
…001001011110011111100
312021210221021200100101020
4111233101201023303330
5143433420402221423
63102135052344140
7212633314123542
oct25572141136374
95253837610336
101493868788988
11526600a93854
12201631775050
13aab430c9ab4
1452437263d92
1528cd3e944e3
hex15bd184bcfc

1493868788988 has 24 divisors (see below), whose sum is σ = 3508777910400. Its totient is φ = 494658538800.

The previous prime is 1493868788987. The next prime is 1493868789001. The reversal of 1493868788988 is 8898878683941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493868788987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412213638 + ... + 412217261.

It is an arithmetic number, because the mean of its divisors is an integer number (146199079600).

Almost surely, 21493868788988 is an apocalyptic number.

It is an amenable number.

1493868788988 is an abundant number, since it is smaller than the sum of its proper divisors (2014909121412).

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

1493868788988 is a wasteful number, since it uses less digits than its factorization.

1493868788988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824431057 (or 824431055 counting only the distinct ones).

The product of its digits is 10701766656, while the sum is 87.

The spelling of 1493868788988 in words is "one trillion, four hundred ninety-three billion, eight hundred sixty-eight million, seven hundred eighty-eight thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 151 302 453 604 906 1812 824430899 1648861798 2473292697 3297723596 4946585394 9893170788 124489065749 248978131498 373467197247 497956262996 746934394494 1493868788988