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102132140455 = 5471489291877
BaseRepresentation
bin101111100011110001…
…1001100100110100111
3100202121202122022002201
41133013203030212213
53133131311443310
6114530250115331
710243633604302
oct1370743144647
9322552568081
10102132140455
113a34aa26854
1217963a1bb47
139828471907
144d2c2b5b39
1529cb4eee3a
hex17c78cc9a7

102132140455 has 16 divisors (see below), whose sum is σ = 125250687360. Its totient is φ = 79913313792.

The previous prime is 102132140419. The next prime is 102132140479. The reversal of 102132140455 is 554041231201.

It is a cyclic number.

It is not a de Polignac number, because 102132140455 - 227 = 101997922727 is a prime.

It is a super-2 number, since 2×1021321404552 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203977 + ... + 495853.

It is an arithmetic number, because the mean of its divisors is an integer number (7828167960).

Almost surely, 2102132140455 is an apocalyptic number.

102132140455 is a deficient number, since it is larger than the sum of its proper divisors (23118546905).

102132140455 is a wasteful number, since it uses less digits than its factorization.

102132140455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293418.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 102132140455 its reverse (554041231201), we get a palindrome (656173371656).

The spelling of 102132140455 in words is "one hundred two billion, one hundred thirty-two million, one hundred forty thousand, four hundred fifty-five".

Divisors: 1 5 47 235 1489 7445 69983 291877 349915 1459385 13718219 68591095 434604853 2173024265 20426428091 102132140455