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420115595185 = 5111319173178757
BaseRepresentation
bin1100001110100001101…
…01110011111110110001
31111011101120121111000201
412013100311303332301
523340344043021220
6520555355115201
742231566432056
oct6072065637661
91434346544021
10420115595185
11152196334830
1269507a42b01
1330802c59ca0
141649597902d
15addc899d0a
hex61d0d73fb1

420115595185 has 64 divisors (see below), whose sum is σ = 627054462720. Its totient is φ = 265645716480.

The previous prime is 420115595171. The next prime is 420115595201. The reversal of 420115595185 is 581595511024.

It is not a de Polignac number, because 420115595185 - 219 = 420115070897 is a prime.

It is a super-2 number, since 2×4201155951852 (a number of 24 digits) contains 22 as substring.

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, 2260827 + ... + 2439583.

It is an arithmetic number, because the mean of its divisors is an integer number (9797725980).

Almost surely, 2420115595185 is an apocalyptic number.

It is an amenable number.

420115595185 is a deficient number, since it is larger than the sum of its proper divisors (206938867535).

420115595185 is a wasteful number, since it uses less digits than its factorization.

420115595185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178978.

The product of its (nonzero) digits is 360000, while the sum is 46.

The spelling of 420115595185 in words is "four hundred twenty billion, one hundred fifteen million, five hundred ninety-five thousand, one hundred eighty-five".

Divisors: 1 5 11 13 19 55 65 95 143 173 209 247 715 865 1045 1235 1903 2249 2717 3287 9515 11245 13585 16435 24739 36157 42731 123695 178757 180785 213655 470041 893785 1966327 2323841 2350205 3396383 9831635 11619205 16981915 25562251 30924961 37360213 44152979 127811255 154624805 186801065 220764895 340174571 402024493 485682769 587574259 1700872855 2010122465 2428413845 2937871295 4422269423 6463316849 7638465367 22111347115 32316584245 38192326835 84023119037 420115595185