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620895054039 = 313275710131597
BaseRepresentation
bin10010000100100000011…
…10101010100011010111
32012100122020120210001120
421002100032222203113
540133043113212124
61153122451455023
762600233610631
oct11022016524327
92170566523046
10620895054039
1121a3580869a7
12a04005b7473
134671c8b9500
14220a1399a51
151123e489d79
hex90903aa8d7

620895054039 has 48 divisors (see below), whose sum is σ = 899073126432. Its totient is φ = 380969132544.

The previous prime is 620895054037. The next prime is 620895054061. The reversal of 620895054039 is 930450598026.

It is not a de Polignac number, because 620895054039 - 21 = 620895054037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620895053982 and 620895054000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620895054037) 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 47 ways as a sum of consecutive naturals, for example, 388787589 + ... + 388789185.

It is an arithmetic number, because the mean of its divisors is an integer number (18730690134).

Almost surely, 2620895054039 is an apocalyptic number.

620895054039 is a deficient number, since it is larger than the sum of its proper divisors (278178072393).

620895054039 is a wasteful number, since it uses less digits than its factorization.

620895054039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396 (or 3383 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 620895054039 in words is "six hundred twenty billion, eight hundred ninety-five million, fifty-four thousand, thirty-nine".

Divisors: 1 3 13 39 169 507 757 1013 1597 2271 3039 4791 9841 13169 20761 29523 39507 62283 127933 171197 269893 383799 513591 766841 809679 1208929 1617761 2300523 3626787 4853283 9968933 15716077 21030893 29906799 47148231 63092679 129596129 204309001 273401609 388788387 612927003 820204827 1224645077 3673935231 15920386001 47761158003 206965018013 620895054039