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919102243208 = 23232147372
BaseRepresentation
bin11010101111111101100…
…00110100000110001000
310020212100211000120200112
431113332300310012020
5110024310133240313
61542121342453452
7123255132110462
oct15277660640610
93225324016615
10919102243208
11324875289956
1212a165594288
13688951743b6
14326b0377132
1518d945608a8
hexd5fec34188

919102243208 has 36 divisors (see below), whose sum is σ = 1801623458565. Its totient is φ = 439540810368.

The previous prime is 919102243141. The next prime is 919102243307. The reversal of 919102243208 is 802342201919.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

919102243208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 787943826244 + 131158416964 = 887662^2 + 362158^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=677902.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 62359616 + ... + 62374352.

Almost surely, 2919102243208 is an apocalyptic number.

It is an amenable number.

919102243208 is a deficient number, since it is larger than the sum of its proper divisors (882521215357).

919102243208 is an frugal number, since it uses more digits than its factorization.

919102243208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29526 (or 14762 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 919102243208 in words is "nine hundred nineteen billion, one hundred two million, two hundred forty-three thousand, two hundred eight".

Divisors: 1 2 4 8 23 46 92 184 529 1058 2116 4232 14737 29474 58948 117896 338951 677902 1355804 2711608 7795873 15591746 31183492 62366984 217179169 434358338 868716676 1737433352 4995120887 9990241774 19980483548 39960967096 114887780401 229775560802 459551121604 919102243208