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53348661015381 = 3315785627146977
BaseRepresentation
bin11000010000101001100111…
…11111010011001101010101
320222220002012220122021101000
430020110303333103031111
523443031024204443011
6305244011520253513
714144212360414224
oct1410246377231525
9228802186567330
1053348661015381
1115aa904938a156
125b973b2771299
13239c9ac5b6bb4
14d261361c4cbb
15627ac3ab6356
hex308533fd3355

53348661015381 has 32 divisors (see below), whose sum is σ = 79539931402880. Its totient is φ = 35338587268608.

The previous prime is 53348661015281. The next prime is 53348661015383. The reversal of 53348661015381 is 18351016684335.

53348661015381 is a `hidden beast` number, since 5 + 3 + 3 + 4 + 8 + 6 + 610 + 15 + 3 + 8 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2k-53348661015381 is a prime.

It is a super-2 number, since 2×533486610153812 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53348661015383) 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, 362899365 + ... + 363046341.

It is an arithmetic number, because the mean of its divisors is an integer number (2485622856340).

Almost surely, 253348661015381 is an apocalyptic number.

It is an amenable number.

53348661015381 is a deficient number, since it is larger than the sum of its proper divisors (26191270387499).

53348661015381 is a wasteful number, since it uses less digits than its factorization.

53348661015381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232770 (or 232764 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 53348661015381 in words is "fifty-three trillion, three hundred forty-eight billion, six hundred sixty-one million, fifteen thousand, three hundred eighty-one".

Divisors: 1 3 9 27 157 471 1413 4239 85627 146977 256881 440931 770643 1322793 2311929 3968379 13443439 23075389 40330317 69226167 120990951 207678501 362972853 623035503 12585199579 37755598737 113266796211 339800388633 1975876333903 5927629001709 17782887005127 53348661015381