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215120455400422 = 21113752169424477
BaseRepresentation
bin110000111010011010100010…
…010100111111101111100110
31001012200022111102001210020201
4300322122202110333233212
5211144013143040303142
62041304550052221114
763211640265520555
oct6072324224775746
91035608442053221
10215120455400422
11625a9088993030
122016395130a79a
139305a05b33810
143b19c58107d9c
1519d0b9b662ab7
hexc3a6a253fbe6

215120455400422 has 16 divisors (see below), whose sum is σ = 379093389936912. Its totient is φ = 90260330937120.

The previous prime is 215120455400353. The next prime is 215120455400503. The reversal of 215120455400422 is 224004554021512.

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, 376084711953 + ... + 376084712524.

It is an arithmetic number, because the mean of its divisors is an integer number (23693336871057).

Almost surely, 2215120455400422 is an apocalyptic number.

215120455400422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

215120455400422 is a deficient number, since it is larger than the sum of its proper divisors (163972934536490).

215120455400422 is a wasteful number, since it uses less digits than its factorization.

215120455400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752169424503.

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 215120455400422 in words is "two hundred fifteen trillion, one hundred twenty billion, four hundred fifty-five million, four hundred thousand, four hundred twenty-two".

Divisors: 1 2 11 13 22 26 143 286 752169424477 1504338848954 8273863669247 9778202518201 16547727338494 19556405036402 107560227700211 215120455400422