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38678630641365 = 35111329621792953
BaseRepresentation
bin10001100101101100100100…
…00010100010111011010101
312001221122022021100122221010
420302312102002202323111
520032202313421010430
6214132415001042433
711101303344602031
oct1062662202427325
9161848267318833
1038678630641365
1111362573713510
124408217186419
1318774c11b4b20
1497a0acc311c1
154711bec39cb0
hex232d920a2ed5

38678630641365 has 64 divisors (see below), whose sum is σ = 75212075715840. Its totient is φ = 16713794549760.

The previous prime is 38678630641351. The next prime is 38678630641373. The reversal of 38678630641365 is 56314603687683.

It is not a de Polignac number, because 38678630641365 - 216 = 38678630575829 is a prime.

It is a super-2 number, since 2×386786306413652 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38678630641296 and 38678630641305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 310834272 + ... + 310958681.

It is an arithmetic number, because the mean of its divisors is an integer number (1175188683060).

Almost surely, 238678630641365 is an apocalyptic number.

It is an amenable number.

38678630641365 is a deficient number, since it is larger than the sum of its proper divisors (36533445074475).

38678630641365 is a wasteful number, since it uses less digits than its factorization.

38678630641365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621793014.

The product of its (nonzero) digits is 313528320, while the sum is 66.

The spelling of 38678630641365 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred thirty million, six hundred forty-one thousand, three hundred sixty-five".

Divisors: 1 3 5 11 13 15 29 33 39 55 65 87 143 145 165 195 319 377 429 435 715 957 1131 1595 1885 2145 4147 4785 5655 12441 20735 62205 621792953 1865378859 3108964765 6839722483 8083308389 9326894295 18031995637 20519167449 24249925167 34198612415 40416541945 54095986911 88916392279 90159978185 102595837245 121249625835 198351952007 234415943281 266749176837 270479934555 444581961395 595055856021 703247829843 991759760035 1172079716405 1333745884185 2578575376091 2975279280105 3516239149215 7735726128273 12892876880455 38678630641365