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23263020155431 = 730894423243239
BaseRepresentation
bin1010100101000010110000…
…00011011000001000100111
310001100220220212120001202001
411102201120003120020213
511022120131124433211
6121250514532230131
74620461216510410
oct522413003301047
9101326825501661
1023263020155431
1174598784594a1
12273864246b347
13cc99024b05b4
145a5d16c5a807
152a51d04c7ac1
hex1528580d8227

23263020155431 has 16 divisors (see below), whose sum is σ = 26601037747200. Its totient is φ = 19928687822208.

The previous prime is 23263020155411. The next prime is 23263020155443. The reversal of 23263020155431 is 13455102036232.

It is a cyclic number.

It is not a de Polignac number, because 23263020155431 - 25 = 23263020155399 is a prime.

It is a super-2 number, since 2×232630201554312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23263020155411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95516910 + ... + 95760148.

It is an arithmetic number, because the mean of its divisors is an integer number (1662564859200).

Almost surely, 223263020155431 is an apocalyptic number.

23263020155431 is a deficient number, since it is larger than the sum of its proper divisors (3338017591769).

23263020155431 is a wasteful number, since it uses less digits than its factorization.

23263020155431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250758.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 23263020155431 in words is "twenty-three trillion, two hundred sixty-three billion, twenty million, one hundred fifty-five thousand, four hundred thirty-one".

Divisors: 1 7 3089 4423 21623 30961 243239 1702673 13662647 95638529 751365271 1075846097 5259556897 7530922679 3323288593633 23263020155431