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1540077863077 = 13315897648047
BaseRepresentation
bin10110011010010011110…
…010110100000010100101
312110020012200012112021201
4112122103302310002211
5200213034413104302
63135300233242501
7216160364562265
oct26322362640245
95406180175251
101540077863077
11544163893086
1220a588b63431
13b22c865b6a0
145477c3057a5
152a0dab11c87
hex16693cb40a5

1540077863077 has 16 divisors (see below), whose sum is σ = 1712339822592. Its totient is φ = 1375516517760.

The previous prime is 1540077863053. The next prime is 1540077863083. The reversal of 1540077863077 is 7703687700451.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1540077863077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540077863677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2052468 + ... + 2700514.

It is an arithmetic number, because the mean of its divisors is an integer number (107021238912).

Almost surely, 21540077863077 is an apocalyptic number.

It is an amenable number.

1540077863077 is a deficient number, since it is larger than the sum of its proper divisors (172261959515).

1540077863077 is a wasteful number, since it uses less digits than its factorization.

1540077863077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653988.

The product of its (nonzero) digits is 6914880, while the sum is 55.

The spelling of 1540077863077 in words is "one trillion, five hundred forty billion, seventy-seven million, eight hundred sixty-three thousand, seventy-seven".

Divisors: 1 13 31 403 5897 76661 182807 648047 2376491 8424611 20089457 261162941 3821533159 49679931067 118467527929 1540077863077