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73470121445 = 5710120783627
BaseRepresentation
bin100010001101100101…
…0010001010111100101
321000122020222212121002
41010123022101113211
52200431322341240
653430211403045
75210441504540
oct1043312212745
9230566885532
1073470121445
1129181a71736
12122a4bb3485
136c0b352356
1437ad837857
151da00b9d15
hex111b2915e5

73470121445 has 16 divisors (see below), whose sum is σ = 101756642688. Its totient is φ = 49880702400.

The previous prime is 73470121429. The next prime is 73470121451. The reversal of 73470121445 is 54412107437.

It is not a de Polignac number, because 73470121445 - 24 = 73470121429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73470121399 and 73470121408.

It is a congruent number.

It is an unprimeable number.

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, 10388279 + ... + 10395348.

It is an arithmetic number, because the mean of its divisors is an integer number (6359790168).

Almost surely, 273470121445 is an apocalyptic number.

It is an amenable number.

73470121445 is a deficient number, since it is larger than the sum of its proper divisors (28286521243).

73470121445 is a wasteful number, since it uses less digits than its factorization.

73470121445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20783740.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 73470121445 in words is "seventy-three billion, four hundred seventy million, one hundred twenty-one thousand, four hundred forty-five".

Divisors: 1 5 7 35 101 505 707 3535 20783627 103918135 145485389 727426945 2099146327 10495731635 14694024289 73470121445