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152975530821 = 3893976832113
BaseRepresentation
bin1000111001111000001…
…1010101101101000101
3112121212010110010210210
42032132003111231011
510001243213441241
6154135340310033
714023606362141
oct2163603255505
9477763403723
10152975530821
1159970776533
1225793242319
131156bb77299
147592a28221
153ea4e3d316
hex239e0d5b45

152975530821 has 32 divisors (see below), whose sum is σ = 207179441280. Its totient is φ = 100389003264.

The previous prime is 152975530819. The next prime is 152975530831. The reversal of 152975530821 is 128035579251.

152975530821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 152975530821 - 21 = 152975530819 is a prime.

It is a super-3 number, since 3×1529755308213 (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152975530801) 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 31 ways as a sum of consecutive naturals, for example, 72396261 + ... + 72398373.

It is an arithmetic number, because the mean of its divisors is an integer number (6474357540).

Almost surely, 2152975530821 is an apocalyptic number.

It is an amenable number.

152975530821 is a deficient number, since it is larger than the sum of its proper divisors (54203910459).

152975530821 is a wasteful number, since it uses less digits than its factorization.

152975530821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285.

The product of its (nonzero) digits is 756000, while the sum is 48.

The spelling of 152975530821 in words is "one hundred fifty-two billion, nine hundred seventy-five million, five hundred thirty thousand, eight hundred twenty-one".

Divisors: 1 3 89 267 397 683 1191 2049 2113 6339 35333 60787 105999 182361 188057 271151 564171 813453 838861 1443179 2516583 4329537 24132439 72397317 74658629 128442931 223975887 385328793 572942063 1718826189 50991843607 152975530821