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45020621230 = 251310314992243
BaseRepresentation
bin101001111011011100…
…000010100110101110
311022012120020112001221
4221323130002212232
51214200234334410
632403204053554
73152436652324
oct517334024656
9138176215057
1045020621230
1118102a70092
1288853942ba
134326281260
1422712b9d14
1512876634da
hexa7b7029ae

45020621230 has 64 divisors (see below), whose sum is σ = 88216128000. Its totient is φ = 16443294336.

The previous prime is 45020621227. The next prime is 45020621249. The reversal of 45020621230 is 3212602054.

It is a junction number, because it is equal to n+sod(n) for n = 45020621195 and 45020621204.

It is a congruent number.

It is an unprimeable number.

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, 20070489 + ... + 20072731.

It is an arithmetic number, because the mean of its divisors is an integer number (1378377000).

Almost surely, 245020621230 is an apocalyptic number.

45020621230 is a deficient number, since it is larger than the sum of its proper divisors (43195506770).

45020621230 is a wasteful number, since it uses less digits than its factorization.

45020621230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865.

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 45020621230 in words is "forty-five billion, twenty million, six hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 103 130 206 515 1030 1339 1499 2243 2678 2998 4486 6695 7495 11215 13390 14990 19487 22430 29159 38974 58318 97435 145795 154397 194870 231029 291590 308794 462058 771985 1155145 1543970 2007161 2310290 3003377 3362257 4014322 6006754 6724514 10035805 15016885 16811285 20071610 30033770 33622570 43709341 87418682 218546705 346312471 437093410 692624942 1731562355 3463124710 4502062123 9004124246 22510310615 45020621230