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215430126032 = 24111453842419
BaseRepresentation
bin1100100010100010100…
…0101101100111010000
3202121001200210022011202
43020220220231213100
512012200103013112
6242544531130332
721364362600122
oct3105050554720
9677050708152
10215430126032
11833aa765280
12359031439a8
1317412cc6c74
14a5d94ad212
15590cded6c2
hex3228a2d9d0

215430126032 has 40 divisors (see below), whose sum is σ = 455654868960. Its totient is φ = 97855274880.

The previous prime is 215430126013. The next prime is 215430126061. The reversal of 215430126032 is 230621034512.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 215430125986 and 215430126004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165482 + ... + 676937.

It is an arithmetic number, because the mean of its divisors is an integer number (11391371724).

Almost surely, 2215430126032 is an apocalyptic number.

215430126032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

215430126032 is an abundant number, since it is smaller than the sum of its proper divisors (240224742928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215430126032 is a wasteful number, since it uses less digits than its factorization.

215430126032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843891 (or 843885 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 215430126032 in words is "two hundred fifteen billion, four hundred thirty million, one hundred twenty-six thousand, thirty-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 1453 2906 5812 11624 15983 23248 31966 63932 127864 255728 842419 1684838 3369676 6739352 9266609 13478704 18533218 37066436 74132872 148265744 1224034807 2448069614 4896139228 9792278456 13464382877 19584556912 26928765754 53857531508 107715063016 215430126032