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1540013023101 = 37461159075821
BaseRepresentation
bin10110011010001111111…
…011011101111101111101
312110020001011012022120010
4112122033323131331331
5200212421313214401
63135245555413433
7216155646466410
oct26321773357575
95406034168503
101540013023101
11544130226923
1220a56b2b4279
13b22b80a8737
1454773867b77
152a0d50a4ed6
hex1668feddf7d

1540013023101 has 16 divisors (see below), whose sum is σ = 2351776952448. Its totient is φ = 878098526400.

The previous prime is 1540013023037. The next prime is 1540013023151. The reversal of 1540013023101 is 1013203100451.

It is not a de Polignac number, because 1540013023101 - 26 = 1540013023037 is a prime.

It is a super-2 number, since 2×15400130231012 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540013023151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79528230 + ... + 79547591.

It is an arithmetic number, because the mean of its divisors is an integer number (146986059528).

Almost surely, 21540013023101 is an apocalyptic number.

It is an amenable number.

1540013023101 is a deficient number, since it is larger than the sum of its proper divisors (811763929347).

1540013023101 is a wasteful number, since it uses less digits than its factorization.

1540013023101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159076292.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 1540013023101 its reverse (1013203100451), we get a palindrome (2553216123552).

The spelling of 1540013023101 in words is "one trillion, five hundred forty billion, thirteen million, twenty-three thousand, one hundred one".

Divisors: 1 3 7 21 461 1383 3227 9681 159075821 477227463 1113530747 3340592241 73333953481 220001860443 513337674367 1540013023101